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13.5+8.6x=30.7
We simplify the equation to the form, which is simple to understand
13.5+8.6x=30.7
We move all terms containing x to the left and all other terms to the right.
+8.6x=+30.7-13.5
We simplify left and right side of the equation.
+8.6x=+17.2
We divide both sides of the equation by 8.6 to get x.
x=2
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