3a-27=54+129

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Solution for 3a-27=54+129 equation: 



3a-27=54+129

We move all terms to the left:

3a-27-(54+129)=0

We add all the numbers together, and all the variables

3a-27-183=0

We add all the numbers together, and all the variables

3a-210=0

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

3a=210

a=210/3

a=70

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