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30x-56=63x+21
We simplify the equation to the form, which is simple to understand
30x-56=63x+21
We move all terms containing x to the left and all other terms to the right.
+30x-63x=+21+56
We simplify left and right side of the equation.
-33x=+77
We divide both sides of the equation by -33 to get x.
x=-2.3333333333333
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