Subtract 6 from both sides
-3x = -9 - 6
Simplify -9 - 6 to -15
-3x = -15
Divide both sides by -3
x = -15/-3
Two negatives make a positive
x = 15/3
Simplify 15/3 to 5
x = 5
Answer:
x=5
Explanation:
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