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Using the variable x, translate the sentence into an equation. Solve the resulting equation

The sum of 3 and a number is 12

User Gam
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Since the word “ sum” signifies addition, the equation would be x+3=12
User Psquid
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5 votes

Answer:

x = 9

Explanation:

3 + x = 12

Subtract 3 from both sides.

x = 9

User Krishnakant Dalal
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