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2800=1/2a*144
We move all terms to the left:
2800-(1/2a*144)=0
Domain of the equation: 2a*144)!=0We add all the numbers together, and all the variables
a!=0/1
a!=0
a∈R
-(+1/2a*144)+2800=0
We get rid of parentheses
-1/2a*144+2800=0
We multiply all the terms by the denominator
2800*2a*144-1=0
Wy multiply elements
806400a*1-1=0
Wy multiply elements
806400a-1=0
We move all terms containing a to the left, all other terms to the right
806400a=1
a=1/806400
a=1/806400
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