Answer:
x = 21
Step-by-step 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
