Solve for x
x=4
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4x-8+3x=20
Add 3x to both sides.
7x-8=20
Combine 4x and 3x to get 7x.
7x=20+8
Add 8 to both sides.
7x=28
Add 20 and 8 to get 28.
x=\frac{28}{7}
Divide both sides by 7.
x=4
Divide 28 by 7 to get 4.
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