7-3(2+a)=15

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Solution for 7-3(2+a)=15 equation: 



7-3(2+a)=15

We move all terms to the left:

7-3(2+a)-(15)=0

We add all the numbers together, and all the variables

-3(a+2)+7-15=0

We add all the numbers together, and all the variables

-3(a+2)-8=0

We multiply parentheses

-3a-6-8=0

We add all the numbers together, and all the variables

-3a-14=0

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

-3a=14

a=14/-3

a=-4+2/3

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