8-(10-a)=7

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Solution for 8-(10-a)=7 equation: 



8-(10-a)=7

We move all terms to the left:

8-(10-a)-(7)=0

We add all the numbers together, and all the variables

-(-1a+10)+8-7=0

We add all the numbers together, and all the variables

-(-1a+10)+1=0

We get rid of parentheses

1a-10+1=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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