7.5x+15=45

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Solution for 7.5x+15=45 equation: 



7.5x+15=45

We move all terms to the left:

7.5x+15-(45)=0

We add all the numbers together, and all the variables

7.5x-30=0

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

7.5x=30

x=30/7.5

x=4

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