2a-7+3a=2a-16

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Solution for 2a-7+3a=2a-16 equation: 



2a-7+3a=2a-16

We move all terms to the left:

2a-7+3a-(2a-16)=0

We add all the numbers together, and all the variables

5a-(2a-16)-7=0

We get rid of parentheses

5a-2a+16-7=0

We add all the numbers together, and all the variables

3a+9=0

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

3a=-9

a=-9/3

a=-3

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