Solve for x
x=3
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4x+8=20
Combine 3x and x to get 4x.
4x=20-8
Subtract 8 from both sides.
4x=12
Subtract 8 from 20 to get 12.
x=\frac{12}{4}
Divide both sides by 4.
x=3
Divide 12 by 4 to get 3.
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