Solve for x
x=-4
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4x-7=-23
Swap sides so that all variable terms are on the left hand side.
4x=-23+7
Add 7 to both sides.
4x=-16
Add -23 and 7 to get -16.
x=\frac{-16}{4}
Divide both sides by 4.
x=-4
Divide -16 by 4 to get -4.
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