3x-15=7,2

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Solution for 3x-15=7,2 equation: 



3x-15=7.2

We move all terms to the left:

3x-15-(7.2)=0

We add all the numbers together, and all the variables

3x-22.2=0

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

3x=22.2

x=22.2/3

x=7+1/2.5

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