1+2a=3a+4

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Solution for 1+2a=3a+4 equation: 



1+2a=3a+4

We move all terms to the left:

1+2a-(3a+4)=0

We get rid of parentheses

2a-3a-4+1=0

We add all the numbers together, and all the variables

-1a-3=0

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

-a=3

a=3/-1

a=-3

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