x+.5x+.75x=7.5

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Solution for x+.5x+.75x=7.5 equation: 



x+.5x+.75x=7.5

We move all terms to the left:

x+.5x+.75x-(7.5)=0

We add all the numbers together, and all the variables

2.25x-7.5=0

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

2.25x=7.5

x=7.5/2.25

x=3+0.75/2.25

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