Solve for x
x=80
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4x-70-70=180
Combine 2x and 2x to get 4x.
4x-140=180
Subtract 70 from -70 to get -140.
4x=180+140
Add 140 to both sides.
4x=320
Add 180 and 140 to get 320.
x=\frac{320}{4}
Divide both sides by 4.
x=80
Divide 320 by 4 to get 80.
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