142+a=3a+64

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Solution for 142+a=3a+64 equation: 



142+a=3a+64

We move all terms to the left:

142+a-(3a+64)=0

We get rid of parentheses

a-3a-64+142=0

We add all the numbers together, and all the variables

-2a+78=0

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

-2a=-78

a=-78/-2

a=+39

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