3x/2+x/2+x=90

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Solution for 3x/2+x/2+x=90 equation: 



3x/2+x/2+x=90

We move all terms to the left:

3x/2+x/2+x-(90)=0

We add all the numbers together, and all the variables

x+3x/2+x/2-90=0

We multiply all the terms by the denominator


x*2+3x+x-90*2=0

We add all the numbers together, and all the variables

4x+x*2-180=0

Wy multiply elements

4x+2x-180=0

We add all the numbers together, and all the variables

6x-180=0

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

6x=180

x=180/6

x=30

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