X+3x-7x/2=9-x/2

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Solution for X+3x-7x/2=9-x/2 equation: 



X+3X-7X/2=9-X/2

We move all terms to the left:

X+3X-7X/2-(9-X/2)=0

We add all the numbers together, and all the variables

X+3X-7X/2-(-X/2+9)=0

We add all the numbers together, and all the variables

4X-7X/2-(-X/2+9)=0

We get rid of parentheses

4X-7X/2+X/2-9=0

We multiply all the terms by the denominator


4X*2-7X+X-9*2=0

We add all the numbers together, and all the variables

-6X+4X*2-18=0

Wy multiply elements

-6X+8X-18=0

We add all the numbers together, and all the variables

2X-18=0

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

2X=18

X=18/2

X=9

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