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6x-13x=42
We simplify the equation to the form, which is simple to understand
6x-13x=42
We move all terms containing x to the left and all other terms to the right.
+6x-13x=+42
We simplify left and right side of the equation.
-7x=+42
We divide both sides of the equation by -7 to get x.
x=-6
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