49=19+2(a)

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Solution for 49=19+2(a) equation: 



49=19+2(a)

We move all terms to the left:

49-(19+2(a))=0

We add all the numbers together, and all the variables

-(2a+19)+49=0

We get rid of parentheses

-2a-19+49=0

We add all the numbers together, and all the variables

-2a+30=0

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

-2a=-30

a=-30/-2

a=+15

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