-2(4a+5)=

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Solution for -2(4a+5)= equation:


-2(4a+5)=0

We simplify the equation to the form, which is simple to understand 
-2(4a+5)=0

Reorder the terms in parentheses
+(-8a-10)=0

Remove unnecessary parentheses
-8a-10=0

We move all terms containing a to the left and all other terms to the right. 
-8a=0+10

We simplify left and right side of the equation. 
-8a=+10

We divide both sides of the equation by -8 to get a. 
a=-1.25

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