-9/10x=87-15

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Solution for -9/10x=87-15 equation: 



-9/10x=87-15

We move all terms to the left:

-9/10x-(87-15)=0



Domain of the equation: 10x!=0

x!=0/10

x!=0

x∈R



We add all the numbers together, and all the variables

-9/10x-72=0

We multiply all the terms by the denominator


-72*10x-9=0

Wy multiply elements

-720x-9=0

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

-720x=9

x=9/-720

x=-1/80

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