3=a/7.5

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Solution for 3=a/7.5 equation:



3=a/7.5
We move all terms to the left:
3-(a/7.5)=0
We add all the numbers together, and all the variables
-(+a/7.5)+3=0
We get rid of parentheses
-a/7.5+3=0
We multiply all the terms by the denominator
-a+3*7.5=0
We add all the numbers together, and all the variables
-1a+22.5=0
We move all terms containing a to the left, all other terms to the right
-a=-22.5
a=-22.5/-1
a=22+0.5/1

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