3x+2.5=280

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Solution for 3x+2.5=280 equation: 



3x+2.5=280

We move all terms to the left:

3x+2.5-(280)=0

We add all the numbers together, and all the variables

3x-277.5=0

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

3x=277.5

x=277.5/3

x=92+1/2

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