3x-1=90+30

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Solution for 3x-1=90+30 equation: 



3x-1=90+30

We move all terms to the left:

3x-1-(90+30)=0

We add all the numbers together, and all the variables

3x-1-120=0

We add all the numbers together, and all the variables

3x-121=0

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

3x=121

x=121/3

x=40+1/3

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