Solve for x
x=6
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20-3x+21+x=29
Use the distributive property to multiply -3 by x-7.
41-3x+x=29
Add 20 and 21 to get 41.
41-2x=29
Combine -3x and x to get -2x.
-2x=29-41
Subtract 41 from both sides.
-2x=-12
Subtract 41 from 29 to get -12.
x=\frac{-12}{-2}
Divide both sides by -2.
x=6
Divide -12 by -2 to get 6.
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