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-7+6x+x=13
We simplify the equation to the form, which is simple to understand
-7+6x+x=13
We move all terms containing x to the left and all other terms to the right.
+6x+1x=+13+7
We simplify left and right side of the equation.
+7x=+20
We divide both sides of the equation by 7 to get x.
x=2.8571428571429
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