a-20+a=a+48

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Solution for a-20+a=a+48 equation: 



a-20+a=a+48

We move all terms to the left:

a-20+a-(a+48)=0

We add all the numbers together, and all the variables

2a-(a+48)-20=0

We get rid of parentheses

2a-a-48-20=0

We add all the numbers together, and all the variables

a-68=0

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

a=68

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