40=2a-3+3a+1+2a

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Solution for 40=2a-3+3a+1+2a equation: 



40=2a-3+3a+1+2a

We move all terms to the left:

40-(2a-3+3a+1+2a)=0

We add all the numbers together, and all the variables

-(7a-2)+40=0

We get rid of parentheses

-7a+2+40=0

We add all the numbers together, and all the variables

-7a+42=0

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

-7a=-42

a=-42/-7

a=+6

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