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- 5x - 72 = -12x + 75

1 Answer

5 votes

Answer:

x = 21

Explanation:

Step 1: Write out equation

-5x - 72 = -12x + 75

Step 2: Add 5x to both sides

-72 = -7x + 75

Step 3: Subtract 75 on both sides

-147 = -7x

Step 4: Divide both sides by -7

21 = x

Step 5: Rewrite

x = 21

User Pcofre
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