4+2.5x=21.5

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Solution for 4+2.5x=21.5 equation: 



4+2.5x=21.5

We move all terms to the left:

4+2.5x-(21.5)=0

We add all the numbers together, and all the variables

2.5x-17.5=0

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

2.5x=17.5

x=17.5/2.5

x=7

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