Using the variable x, translate the sentence into an equation. Solve the resulting equation The sum of 3 and a number is 12

asked Oct 2, 2021 151k views

2 votes

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

The sum of 3 and a number is 12

by Gam

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2 votes

Since the word “ sum” signifies addition, the equation would be x+3=12

Psquid answered Oct 3, 2021

5.0k points

5 votes

Answer:

x = 9

Explanation:

3 + x = 12

Subtract 3 from both sides.

x = 9

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