7-(2-a)=-4

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Solution for 7-(2-a)=-4 equation: 



7-(2-a)=-4

We move all terms to the left:

7-(2-a)-(-4)=0

We add all the numbers together, and all the variables

-(-1a+2)+7-(-4)=0

We add all the numbers together, and all the variables

-(-1a+2)+11=0

We get rid of parentheses

1a-2+11=0

We add all the numbers together, and all the variables

a+9=0

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

a=-9

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