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2x-7x+7=0
We simplify the equation to the form, which is simple to understand
2x-7x+7=0
We move all terms containing x to the left and all other terms to the right.
+2x-7x=0-7
We simplify left and right side of the equation.
-5x=-7
We divide both sides of the equation by -5 to get x.
x=1.4
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