3a=16-7a

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Solution for 3a=16-7a equation: 



3a=16-7a

We move all terms to the left:

3a-(16-7a)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

3a+7a-16=0

We add all the numbers together, and all the variables

10a-16=0

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

10a=16

a=16/10

a=1+3/5

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