3(2a+25)-(a-1)=78

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Solution for 3(2a+25)-(a-1)=78 equation:



3(2a+25)-(a-1)=78
We move all terms to the left:
3(2a+25)-(a-1)-(78)=0
We multiply parentheses
6a-(a-1)+75-78=0
We get rid of parentheses
6a-a+1+75-78=0
We add all the numbers together, and all the variables
5a-2=0
We move all terms containing a to the left, all other terms to the right
5a=2
a=2/5
a=2/5

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