# 2 Answers

7 - 5x = 28 + 2x

7 -5x + 5x = 28 + 2x + 5x (Trying to get unknown on one side of equation. Start by adding 5x tto both sides will zero out -5x)

7 = 28 + 7x (Now get the x all by itself....Subtract 28 from both sides)

7 - 28 = 28 + 7x - 28

-21 = 7x Get the X alone; divide both sides by 7.

-21/7 = 7x/7

-3 = x

8 years ago. Rating: 2 | |

good answer!

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