Solve for x
x=6
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20-3x-4x=-22
Subtract 4x from both sides.
20-7x=-22
Combine -3x and -4x to get -7x.
-7x=-22-20
Subtract 20 from both sides.
-7x=-42
Subtract 20 from -22 to get -42.
x=\frac{-42}{-7}
Divide both sides by -7.
x=6
Divide -42 by -7 to get 6.
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