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15x+5+145=3x-4
We simplify the equation to the form, which is simple to understand
15x+5+145=3x-4
We move all terms containing x to the left and all other terms to the right.
+15x-3x=-4-5-145
We simplify left and right side of the equation.
+12x=-154
We divide both sides of the equation by 12 to get x.
x=-12.8333333333
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