4a+2a-1=19

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Solution for 4a+2a-1=19 equation: 



4a+2a-1=19

We move all terms to the left:

4a+2a-1-(19)=0

We add all the numbers together, and all the variables

6a-20=0

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

6a=20

a=20/6

a=3+1/3

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