[ Answer ]
[ Explanation ]
(3x + 9) = 60
Multiply Both Sides By 3:
3 · (3x + 9) = 60 · 3
Simplify:
3x + 9 = 180
Subtract 9 From Both Sides:
3x + 9 - 9 = 180 - 9
3x = 171
Divide Both Sides by 3:
X = 57
Congrats on your first question!
Answer: x=57
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1/3(3x+9)=60
x+3=60
x=57
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