Solve for x
x=60
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4x+2x-20=340
Combine 3x and x to get 4x.
6x-20=340
Combine 4x and 2x to get 6x.
6x=340+20
Add 20 to both sides.
6x=360
Add 340 and 20 to get 360.
x=\frac{360}{6}
Divide both sides by 6.
x=60
Divide 360 by 6 to get 60.
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