-5=-(4/5)x+7

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Solution for -5=-(4/5)x+7 equation:



-5=-(4/5)x+7
We move all terms to the left:
-5-(-(4/5)x+7)=0
Domain of the equation: 5)x+7)!=0
x!=0/1
x!=0
x∈R
We add all the numbers together, and all the variables
-(-(+4/5)x+7)-5=0
We multiply all the terms by the denominator
-(-(+4-5*5)x+7)=0
We calculate terms in parentheses: -(-(+4-5*5)x+7), so:
-(+4-5*5)x+7
We add all the numbers together, and all the variables
-(-21)x+7
We multiply parentheses
21x+7
Back to the equation:
-(21x+7)
We get rid of parentheses
-21x-7=0
We move all terms containing x to the left, all other terms to the right
-21x=7
x=7/-21
x=-1/3

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