x+42=4x-12

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Solution for x+42=4x-12 equation:


x+42=4x-12

We simplify the equation to the form, which is simple to understand 
x+42=4x-12

We move all terms containing x to the left and all other terms to the right. 
+1x-4x=-12-42

We simplify left and right side of the equation. 
-3x=-54

We divide both sides of the equation by -3 to get x. 
x=18

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