7x=21.40

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Solution for 7x=21.40 equation: 



7x=21.40

We move all terms to the left:

7x-(21.40)=0

We add all the numbers together, and all the variables

7x-(21.4)=0

We add all the numbers together, and all the variables

7x-21.4=0

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

7x=21.4

x=21.4/7

x=3+0.4/7

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