Solve for x
x=1
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-3x-4=-7
Swap sides so that all variable terms are on the left hand side.
-3x=-7+4
Add 4 to both sides.
-3x=-3
Add -7 and 4 to get -3.
x=\frac{-3}{-3}
Divide both sides by -3.
x=1
Divide -3 by -3 to get 1.
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