Simplify -2x+7=15, i need help understanding why it is -4

asked Aug 25, 2021 13.4k views

2 votes

by Santi

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1 vote

Answer:

-4

Explanation:

Step 1: Subtract 7 from both sides.

−2x+7−7=15−7

−2x=8

Step 2: Divide both sides by -2.

−2x

−2

x=−4

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