Solve for x
x=-7
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2x-1-5x=20
Subtract 5x from both sides.
-3x-1=20
Combine 2x and -5x to get -3x.
-3x=20+1
Add 1 to both sides.
-3x=21
Add 20 and 1 to get 21.
x=\frac{21}{-3}
Divide both sides by -3.
x=-7
Divide 21 by -3 to get -7.
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