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3(2+a)=26
We move all terms to the left:
3(2+a)-(26)=0
We add all the numbers together, and all the variables
3(a+2)-26=0
We multiply parentheses
3a+6-26=0
We add all the numbers together, and all the variables
3a-20=0
We move all terms containing a to the left, all other terms to the right
3a=20
a=20/3
a=6+2/3
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