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172=45+1/2a
We move all terms to the left:
172-(45+1/2a)=0
Domain of the equation: 2a)!=0We add all the numbers together, and all the variables
a!=0/1
a!=0
a∈R
-(1/2a+45)+172=0
We get rid of parentheses
-1/2a-45+172=0
We multiply all the terms by the denominator
-45*2a+172*2a-1=0
Wy multiply elements
-90a+344a-1=0
We add all the numbers together, and all the variables
254a-1=0
We move all terms containing a to the left, all other terms to the right
254a=1
a=1/254
a=1/254
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