13-7(a+2)=7+9

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Solution for 13-7(a+2)=7+9 equation: 



13-7(a+2)=7+9

We move all terms to the left:

13-7(a+2)-(7+9)=0

We add all the numbers together, and all the variables

-7(a+2)+13-16=0

We add all the numbers together, and all the variables

-7(a+2)-3=0

We multiply parentheses

-7a-14-3=0

We add all the numbers together, and all the variables

-7a-17=0

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

-7a=17

a=17/-7

a=-2+3/7

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