Solve for x
x=9
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10x-21+3x=96
Add 3x to both sides.
13x-21=96
Combine 10x and 3x to get 13x.
13x=96+21
Add 21 to both sides.
13x=117
Add 96 and 21 to get 117.
x=\frac{117}{13}
Divide both sides by 13.
x=9
Divide 117 by 13 to get 9.
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