# 6.6.2. Solving First Degree Equations with One Unknown

Determine the number that becomes 50 when it's added to four times its value.

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What are the three consecutive natural numbers whose sum is 102?

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What are the two natural numbers which one of them is fifth the other, and their sum is 42?

• A10, 52
• B21, 105
• C14, 70
• D7, 35
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Find the solution set of the equation if the domain is the set of natural numbers.

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Find the solution set of in .

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If , where , find the solution set.

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If , then the solution set of the equation in is .

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Determine the solution set of the equation if the domain is the set of natural numbers.

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If , then the solution set of the equation in is .

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If , then the solution set of the equation in is .

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If , determine the solution set of the equation in .

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If , find the solution set of the equation in .

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If , then the solution set of the equation in is .

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If , then the solution set of the equation in is .

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If , find the solution set of the equation in .

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If , then the solution set of the equation in is .

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If , determine .

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If is the additive inverse of , find .

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If , determine .

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Find the solution set of in .

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Determine the solution set of the equation if the domain is the set of integers.

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Determine the solution set of the equation if the domain is the set of integers.

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If , determine .

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If , then the solution set of the equation in is .

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If , determine .

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If , determine .

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If , then the solution set of the equation in is .

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If , then the solution set of the equation in is .

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If , then the solution set of the equation in is .

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If , determine .

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If , determine .

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Determine the solution set of the equation if the domain is the set of integers.

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If , determine .

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If , determine the value of .

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If , then the solution set of the equation in is .

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If , then the solution set of the equation in is .

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