3x+40+4x+20=180

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Solution for 3x+40+4x+20=180 equation: 



3x+40+4x+20=180

We move all terms to the left:

3x+40+4x+20-(180)=0

We add all the numbers together, and all the variables

7x-120=0

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

7x=120

x=120/7

x=17+1/7

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