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-7a-(a+8)=3a+5
We simplify the equation to the form, which is simple to understand
-7a-(a+8)=3a+5
Remove unnecessary parentheses
-7a-1a-8=3a+5
We move all terms containing a to the left and all other terms to the right.
-7a-1a-3a=+5+8
We simplify left and right side of the equation.
-11a=+13
We divide both sides of the equation by -11 to get a.
a=-1.18181818182
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