x+(4+x)=40

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Solution for x+(4+x)=40 equation:



x+(4+x)=40
We move all terms to the left:
x+(4+x)-(40)=0
We add all the numbers together, and all the variables
x+(x+4)-40=0
We get rid of parentheses
x+x+4-40=0
We add all the numbers together, and all the variables
2x-36=0
We move all terms containing x to the left, all other terms to the right
2x=36
x=36/2
x=18

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