15=3x+6+4.5x

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Solution for 15=3x+6+4.5x equation: 



15=3x+6+4.5x

We move all terms to the left:

15-(3x+6+4.5x)=0

We add all the numbers together, and all the variables

-(7.5x+6)+15=0

We get rid of parentheses

-7.5x-6+15=0

We add all the numbers together, and all the variables

-7.5x+9=0

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

-7.5x=-9

x=-9/-7.5

x=1+1/5

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