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-a/8=13
We simplify the equation to the form, which is simple to understand
-a/8=13
We move all terms containing a to the left and all other terms to the right.
-0.125a=+13
We simplify left and right side of the equation.
-0.125a=+13
We divide both sides of the equation by -0.125 to get a.
a=-104
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