9a=(12a+3a)/4

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Solution for 9a=(12a+3a)/4 equation: 



9a=(12a+3a)/4

We move all terms to the left:

9a-((12a+3a)/4)=0

We add all the numbers together, and all the variables

9a-((+15a)/4)=0

We multiply all the terms by the denominator


9a*4)-((+15a)=0

Wy multiply elements

36a^2=0

a = 36; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·36·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$a=\frac{-b}{2a}=\frac{0}{72}=0$

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