5a-2a=7-1

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



5a-2a=7-1

We move all terms to the left:

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

We add all the numbers together, and all the variables

5a-2a-6=0

We add all the numbers together, and all the variables

3a-6=0

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

3a=6

a=6/3

a=2

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