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42=7x-6+2x
We simplify the equation to the form, which is simple to understand
42=7x-6+2x
We move all terms containing x to the left and all other terms to the right.
-7x-2x=-6-42
We simplify left and right side of the equation.
-9x=-48
We divide both sides of the equation by -9 to get x.
x=5.33333333333
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