5-5(a+2)=7+9

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Solution for 5-5(a+2)=7+9 equation: 



5-5(a+2)=7+9

We move all terms to the left:

5-5(a+2)-(7+9)=0

We add all the numbers together, and all the variables

-5(a+2)+5-16=0

We add all the numbers together, and all the variables

-5(a+2)-11=0

We multiply parentheses

-5a-10-11=0

We add all the numbers together, and all the variables

-5a-21=0

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

-5a=21

a=21/-5

a=-4+1/5

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