(x+3)+x=75

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Solution for (x+3)+x=75 equation: 



(x+3)+x=75

We move all terms to the left:

(x+3)+x-(75)=0

We add all the numbers together, and all the variables

x+(x+3)-75=0

We get rid of parentheses

x+x+3-75=0

We add all the numbers together, and all the variables

2x-72=0

We move all terms containing x to the left, all other terms to the right

2x=72

x=72/2

x=36

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