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56/(4+x)=8
We move all terms to the left:
56/(4+x)-(8)=0
Domain of the equation: (4+x)!=0We add all the numbers together, and all the variables
We move all terms containing x to the left, all other terms to the right
x!=-4
x∈R
56/(x+4)-8=0
We multiply all the terms by the denominator
-8*(x+4)+56=0
We multiply parentheses
-8x-32+56=0
We add all the numbers together, and all the variables
-8x+24=0
We move all terms containing x to the left, all other terms to the right
-8x=-24
x=-24/-8
x=+3
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