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7x-43=20+3x
We simplify the equation to the form, which is simple to understand
7x-43=20+3x
We move all terms containing x to the left and all other terms to the right.
+7x-3x=+20+43
We simplify left and right side of the equation.
+4x=+63
We divide both sides of the equation by 4 to get x.
x=15.75
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