Solve for x
x=-6
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7x-4-9x=8
Subtract 9x from both sides.
-2x-4=8
Combine 7x and -9x to get -2x.
-2x=8+4
Add 4 to both sides.
-2x=12
Add 8 and 4 to get 12.
x=\frac{12}{-2}
Divide both sides by -2.
x=-6
Divide 12 by -2 to get -6.
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