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2/7x-12=3x+21
We simplify the equation to the form, which is simple to understand
2/7x-12=3x+21
We move all terms containing x to the left and all other terms to the right.
+7x-3x=+21+12
We simplify left and right side of the equation.
+4x=+33
We divide both sides of the equation by 4 to get x.
x=8.25
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