15.45+x=21.30

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Solution for 15.45+x=21.30 equation: 



15.45+x=21.30

We move all terms to the left:

15.45+x-(21.30)=0

We add all the numbers together, and all the variables

x+15.45-(21.3)=0

We add all the numbers together, and all the variables

x-5.85=0

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

x=5.85

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