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2a/3=4a-80
We move all terms to the left:
2a/3-(4a-80)=0
We get rid of parentheses
2a/3-4a+80=0
We multiply all the terms by the denominator
2a-4a*3+80*3=0
We add all the numbers together, and all the variables
2a-4a*3+240=0
Wy multiply elements
2a-12a+240=0
We add all the numbers together, and all the variables
-10a+240=0
We move all terms containing a to the left, all other terms to the right
-10a=-240
a=-240/-10
a=+24
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