3a+7=a+133

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Solution for 3a+7=a+133 equation: 



3a+7=a+133

We move all terms to the left:

3a+7-(a+133)=0

We get rid of parentheses

3a-a-133+7=0

We add all the numbers together, and all the variables

2a-126=0

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

2a=126

a=126/2

a=63

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