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18=3x+7
We simplify the equation to the form, which is simple to understand
18=3x+7
We move all terms containing x to the left and all other terms to the right.
-3x=+7-18
We simplify left and right side of the equation.
-3x=-11
We divide both sides of the equation by -03 to get x.
x=3.6666666666667
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