-7=-5+a/10

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Solution for -7=-5+a/10 equation: 



-7=-5+a/10

We move all terms to the left:

-7-(-5+a/10)=0

We add all the numbers together, and all the variables

-(a/10-5)-7=0

We get rid of parentheses

-a/10+5-7=0

We multiply all the terms by the denominator


-a+5*10-7*10=0

We add all the numbers together, and all the variables

-1a-20=0

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

-a=20

a=20/-1

a=-20

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