(4x+9)+x=84

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Solution for (4x+9)+x=84 equation: 



(4x+9)+x=84

We move all terms to the left:

(4x+9)+x-(84)=0

We add all the numbers together, and all the variables

x+(4x+9)-84=0

We get rid of parentheses

x+4x+9-84=0

We add all the numbers together, and all the variables

5x-75=0

We move all terms containing x to the left, all other terms to the right

5x=75

x=75/5

x=15

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