Solve for x
x=-8
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x-4-3x=12
Subtract 3x from both sides.
-2x-4=12
Combine x and -3x to get -2x.
-2x=12+4
Add 4 to both sides.
-2x=16
Add 12 and 4 to get 16.
x=\frac{16}{-2}
Divide both sides by -2.
x=-8
Divide 16 by -2 to get -8.
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