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2x-70x-80=0
We simplify the equation to the form, which is simple to understand
2x-70x-80=0
We move all terms containing x to the left and all other terms to the right.
+2x-70x=0+80
We simplify left and right side of the equation.
-68x=+80
We divide both sides of the equation by -68 to get x.
x=-1.17647058824
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