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7x+7x=720
We simplify the equation to the form, which is simple to understand
7x+7x=720
We move all terms containing x to the left and all other terms to the right.
+7x+7x=+720
We simplify left and right side of the equation.
+14x=+720
We divide both sides of the equation by 14 to get x.
x=51.428571428571
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