2x-9x=4+9

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Solution for 2x-9x=4+9 equation: 



2x-9x=4+9

We move all terms to the left:

2x-9x-(4+9)=0

We add all the numbers together, and all the variables

2x-9x-13=0

We add all the numbers together, and all the variables

-7x-13=0

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

-7x=13

x=13/-7

x=-1+6/7

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