1+a/(-9)-4=0

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Solution for 1+a/(-9)-4=0 equation:


1+a/(-9)-4=0

We simplify the equation to the form, which is simple to understand 
1+a/(-9)-4=0

Reorder the terms in parentheses
1+(-0.111111111111a)-4=0

Remove unnecessary parentheses
+1-0.111111111111a-4=0

We move all terms containing a to the left and all other terms to the right. 
-0.111111111111a=0-1+4

We simplify left and right side of the equation. 
-0.111111111111a=+3

We divide both sides of the equation by -0.111111111111 to get a. 
a=-27

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