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-42x=18-3x
We simplify the equation to the form, which is simple to understand
-42x=18-3x
We move all terms containing x to the left and all other terms to the right.
-42x+3x=+18
We simplify left and right side of the equation.
-39x=+18
We divide both sides of the equation by -39 to get x.
x=-0.461538461538
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