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2/(x+7)=-3
We move all terms to the left:
2/(x+7)-(-3)=0
Domain of the equation: (x+7)!=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!=-7
x∈R
2/(x+7)+3=0
We multiply all the terms by the denominator
3*(x+7)+2=0
We multiply parentheses
3x+21+2=0
We add all the numbers together, and all the variables
3x+23=0
We move all terms containing x to the left, all other terms to the right
3x=-23
x=-23/3
x=-7+2/3
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