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4.2(4.5x-31.2)=-4.2x
We simplify the equation to the form, which is simple to understand
4.2(4.5x-31.2)=-4.2x
Reorder the terms in parentheses
+(+18.9x-131.04)=-4.2x
Remove unnecessary parentheses
+18.9x-131.04=-4.2x
We move all terms containing x to the left and all other terms to the right.
+18.9x+4.2x=+131.04
We simplify left and right side of the equation.
+23.1x=+131.04
We divide both sides of the equation by 23.1 to get x.
x=5.67272727273
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