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x-8+2x=12
We simplify the equation to the form, which is simple to understand
x-8+2x=12
We move all terms containing x to the left and all other terms to the right.
+1x+2x=+12+8
We simplify left and right side of the equation.
+3x=+20
We divide both sides of the equation by 3 to get x.
x=6.6666666666667
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