-4x=20-9

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Solution for -4x=20-9 equation: 



-4x=20-9

We move all terms to the left:

-4x-(20-9)=0

We add all the numbers together, and all the variables

-4x-11=0

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

-4x=11

x=11/-4

x=-2+3/4

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