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

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



7x+1=1-2(5-x)
We move all terms to the left:
7x+1-(1-2(5-x))=0
We add all the numbers together, and all the variables
7x-(1-2(-1x+5))+1=0
We calculate terms in parentheses: -(1-2(-1x+5)), so:
1-2(-1x+5)
determiningTheFunctionDomain -2(-1x+5)+1
We multiply parentheses
2x-10+1
We add all the numbers together, and all the variables
2x-9
Back to the equation:
-(2x-9)
We get rid of parentheses
7x-2x+9+1=0
We add all the numbers together, and all the variables
5x+10=0
We move all terms containing x to the left, all other terms to the right
5x=-10
x=-10/5
x=-2

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