-2(x+20)=40,x=

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Solution for -2(x+20)=40,x= equation:



-2(x+20)=40.x=
We move all terms to the left:
-2(x+20)-(40.x)=0
We add all the numbers together, and all the variables
-2(x+20)-(+40.x)=0
We multiply parentheses
-2x-(+40.x)-40=0
We get rid of parentheses
-2x-40.x-40=0
We add all the numbers together, and all the variables
-42x-40=0
We move all terms containing x to the left, all other terms to the right
-42x=40
x=40/-42
x=-20/21

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