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2x+4x-20=12
We simplify the equation to the form, which is simple to understand
2x+4x-20=12
We move all terms containing x to the left and all other terms to the right.
+2x+4x=+12+20
We simplify left and right side of the equation.
+6x=+32
We divide both sides of the equation by 6 to get x.
x=5.33333333333
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