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38=x-7+2x
We simplify the equation to the form, which is simple to understand
38=x-7+2x
We move all terms containing x to the left and all other terms to the right.
-1x-2x=-7-38
We simplify left and right side of the equation.
-3x=-45
We divide both sides of the equation by -3 to get x.
x=15
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