10x+9x=4x-9

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Solution for 10x+9x=4x-9 equation: 



10x+9x=4x-9

We move all terms to the left:

10x+9x-(4x-9)=0

We add all the numbers together, and all the variables

19x-(4x-9)=0

We get rid of parentheses

19x-4x+9=0

We add all the numbers together, and all the variables

15x+9=0

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

15x=-9

x=-9/15

x=-3/5

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