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15x-39=-4
We simplify the equation to the form, which is simple to understand
15x-39=-4
We move all terms containing x to the left and all other terms to the right.
+15x=-4+39
We simplify left and right side of the equation.
+15x=+35
We divide both sides of the equation by 15 to get x.
x=2.33333333333
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