12.50-3x=20.00

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Solution for 12.50-3x=20.00 equation: 



12.50-3x=20.00

We move all terms to the left:

12.50-3x-(20.00)=0

We add all the numbers together, and all the variables

-3x+12.50-20=0

We add all the numbers together, and all the variables

-3x-7.5=0

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

-3x=7.5

x=7.5/-3

x=-2+1/2

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