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4-4 (-2a-a)+10a=0
We simplify the equation to the form, which is simple to understand
4-4(-2a-a)+10a=0
Simplifying terms in parentheses
4-4*(-3a)+10a=0
Reorder the terms in parentheses
4+(+12a)+10a=0
Remove unnecessary parentheses
+4+12a+10a=0
We move all terms containing a to the left and all other terms to the right.
+12a+10a=0-4
We simplify left and right side of the equation.
+22a=-4
We divide both sides of the equation by 22 to get a.
a=-0.181818181818
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