2x+3*20=55

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Solution for 2x+3*20=55 equation: 



2x+3*20=55

We move all terms to the left:

2x+3*20-(55)=0

determiningTheFunctionDomain
2x-55+3*20=0

We add all the numbers together, and all the variables

2x+5=0

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

2x=-5

x=-5/2

x=-2+1/2

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