Solve for x
x=3
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9x-7-4x=8
Subtract 4x from both sides.
5x-7=8
Combine 9x and -4x to get 5x.
5x=8+7
Add 7 to both sides.
5x=15
Add 8 and 7 to get 15.
x=\frac{15}{5}
Divide both sides by 5.
x=3
Divide 15 by 5 to get 3.
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