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18x-15=12x-9
We simplify the equation to the form, which is simple to understand
18x-15=12x-9
We move all terms containing x to the left and all other terms to the right.
+18x-12x=-9+15
We simplify left and right side of the equation.
+6x=+6
We divide both sides of the equation by 6 to get x.
x=1
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