2a+3(22-3a)=31

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Solution for 2a+3(22-3a)=31 equation: 



2a+3(22-3a)=31

We move all terms to the left:

2a+3(22-3a)-(31)=0

We add all the numbers together, and all the variables

2a+3(-3a+22)-31=0

We multiply parentheses

2a-9a+66-31=0

We add all the numbers together, and all the variables

-7a+35=0

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

-7a=-35

a=-35/-7

a=+5

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