3x/4=90

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Solution for 3x/4=90 equation: 



3x/4=90

We move all terms to the left:

3x/4-(90)=0

We multiply all the terms by the denominator


3x-90*4=0

We add all the numbers together, and all the variables

3x-360=0

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

3x=360

x=360/3

x=120

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