4x-21=2.50

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Solution for 4x-21=2.50 equation: 



4x-21=2.50

We move all terms to the left:

4x-21-(2.50)=0

We add all the numbers together, and all the variables

4x-21-(2.5)=0

We add all the numbers together, and all the variables

4x-23.5=0

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

4x=23.5

x=23.5/4

x=5+2.3333333333333/2.6666666666667

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