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7x-13=-8
We simplify the equation to the form, which is simple to understand
7x-13=-8
We move all terms containing x to the left and all other terms to the right.
+7x=-8+13
We simplify left and right side of the equation.
+7x=+5
We divide both sides of the equation by 7 to get x.
x=0.71428571428571
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