3a+5a=7a-3

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Solution for 3a+5a=7a-3 equation: 



3a+5a=7a-3

We move all terms to the left:

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

We add all the numbers together, and all the variables

8a-(7a-3)=0

We get rid of parentheses

8a-7a+3=0

We add all the numbers together, and all the variables

a+3=0

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

a=-3

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