4a+2a-5=7a-1

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Solution for 4a+2a-5=7a-1 equation: 



4a+2a-5=7a-1

We move all terms to the left:

4a+2a-5-(7a-1)=0

We add all the numbers together, and all the variables

6a-(7a-1)-5=0

We get rid of parentheses

6a-7a+1-5=0

We add all the numbers together, and all the variables

-1a-4=0

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

-a=4

a=4/-1

a=-4

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