(3x+40)+(x+20)=360

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Solution for (3x+40)+(x+20)=360 equation: 



(3x+40)+(x+20)=360

We move all terms to the left:

(3x+40)+(x+20)-(360)=0

We get rid of parentheses

3x+x+40+20-360=0

We add all the numbers together, and all the variables

4x-300=0

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

4x=300

x=300/4

x=75

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