10a+3+13=1+7a

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Solution for 10a+3+13=1+7a equation: 



10a+3+13=1+7a

We move all terms to the left:

10a+3+13-(1+7a)=0

We add all the numbers together, and all the variables

10a-(7a+1)+3+13=0

We add all the numbers together, and all the variables

10a-(7a+1)+16=0

We get rid of parentheses

10a-7a-1+16=0

We add all the numbers together, and all the variables

3a+15=0

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

3a=-15

a=-15/3

a=-5

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