Solve for x
x=12
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-4x+3=-45
Multiply both sides of the equation by 3.
-4x=-45-3
Subtract 3 from both sides.
-4x=-48
Subtract 3 from -45 to get -48.
x=\frac{-48}{-4}
Divide both sides by -4.
x=12
Divide -48 by -4 to get 12.
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