(x-1)-5x=1-7(2+x)

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Solution for (x-1)-5x=1-7(2+x) equation:



(x-1)-5x=1-7(2+x)
We move all terms to the left:
(x-1)-5x-(1-7(2+x))=0
We add all the numbers together, and all the variables
(x-1)-5x-(1-7(x+2))=0
We add all the numbers together, and all the variables
-5x+(x-1)-(1-7(x+2))=0
We get rid of parentheses
-5x+x-(1-7(x+2))-1=0
We calculate terms in parentheses: -(1-7(x+2)), so:
1-7(x+2)
determiningTheFunctionDomain -7(x+2)+1
We multiply parentheses
-7x-14+1
We add all the numbers together, and all the variables
-7x-13
Back to the equation:
-(-7x-13)
We add all the numbers together, and all the variables
-4x-(-7x-13)-1=0
We get rid of parentheses
-4x+7x+13-1=0
We add all the numbers together, and all the variables
3x+12=0
We move all terms containing x to the left, all other terms to the right
3x=-12
x=-12/3
x=-4

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