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-8=2/7+a
We move all terms to the left:
-8-(2/7+a)=0
Domain of the equation: 7+a)!=0We add all the numbers together, and all the variables
We move all terms containing a to the left, all other terms to the right
a)!=-7
a!=-7/1
a!=-7
a∈R
-(+a+2/7)-8=0
We get rid of parentheses
-a-8-2/7=0
We multiply all the terms by the denominator
-a*7-2-8*7=0
We add all the numbers together, and all the variables
-a*7-58=0
Wy multiply elements
-7a-58=0
We move all terms containing a to the left, all other terms to the right
-7a=58
a=58/-7
a=-8+2/7
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