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7x+5x=35
We simplify the equation to the form, which is simple to understand
7x+5x=35
We move all terms containing x to the left and all other terms to the right.
+7x+5x=+35
We simplify left and right side of the equation.
+12x=+35
We divide both sides of the equation by 12 to get x.
x=2.91666666667
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