15+4a=7a=

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Solution for 15+4a=7a= equation: 



15+4a=7a=

We move all terms to the left:

15+4a-(7a)=0

We add all the numbers together, and all the variables

-3a+15=0

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

-3a=-15

a=-15/-3

a=+5

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