5a-(7a-3a)=-1

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Solution for 5a-(7a-3a)=-1 equation: 



5a-(7a-3a)=-1

We move all terms to the left:

5a-(7a-3a)-(-1)=0

We add all the numbers together, and all the variables

5a-(+4a)-(-1)=0

We add all the numbers together, and all the variables

5a-(+4a)+1=0

We get rid of parentheses

5a-4a+1=0

We add all the numbers together, and all the variables

a+1=0

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

a=-1

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