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13x-30=21x-14
We simplify the equation to the form, which is simple to understand
13x-30=21x-14
We move all terms containing x to the left and all other terms to the right.
+13x-21x=-14+30
We simplify left and right side of the equation.
-8x=+16
We divide both sides of the equation by -8 to get x.
x=-2
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