-9+4(1+2a)=23

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Solution for -9+4(1+2a)=23 equation:


-9+4(1+2a)=23

We simplify the equation to the form, which is simple to understand 
-9+4(1+2a)=23

Reorder the terms in parentheses
-9+(+4+8a)=23

Remove unnecessary parentheses
-9+4+8a=+23

We move all terms containing a to the left and all other terms to the right. 
+8a=+23+9-4

We simplify left and right side of the equation. 
+8a=+28

We divide both sides of the equation by 8 to get a. 
a=3.5

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