Solve for x
x=-10
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80=4x\left(-2\right)
Multiply 2 and 2 to get 4.
80=-8x
Multiply 4 and -2 to get -8.
-8x=80
Swap sides so that all variable terms are on the left hand side.
x=\frac{80}{-8}
Divide both sides by -8.
x=-10
Divide 80 by -8 to get -10.
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