Solve for x
x=4
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7x-4-9x=-12
Subtract 9x from both sides.
-2x-4=-12
Combine 7x and -9x to get -2x.
-2x=-12+4
Add 4 to both sides.
-2x=-8
Add -12 and 4 to get -8.
x=\frac{-8}{-2}
Divide both sides by -2.
x=4
Divide -8 by -2 to get 4.
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