4(5-x)=-x

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Solution for 4(5-x)=-x equation:



4(5-x)=-x
We move all terms to the left:
4(5-x)-(-x)=0
We add all the numbers together, and all the variables
4(-1x+5)-(-1x)=0
We multiply parentheses
-4x-(-1x)+20=0
We get rid of parentheses
-4x+1x+20=0
We add all the numbers together, and all the variables
-3x+20=0
We move all terms containing x to the left, all other terms to the right
-3x=-20
x=-20/-3
x=6+2/3

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