Solve for x
x=-3
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11x+20-4x=-1
Subtract 4x from both sides.
7x+20=-1
Combine 11x and -4x to get 7x.
7x=-1-20
Subtract 20 from both sides.
7x=-21
Subtract 20 from -1 to get -21.
x=\frac{-21}{7}
Divide both sides by 7.
x=-3
Divide -21 by 7 to get -3.
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