3+x=4.5+0.75x

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Solution for 3+x=4.5+0.75x equation: 



3+x=4.5+0.75x

We move all terms to the left:

3+x-(4.5+0.75x)=0

We add all the numbers together, and all the variables

x-(0.75x+4.5)+3=0

We get rid of parentheses

x-0.75x-4.5+3=0

We add all the numbers together, and all the variables

0.25x-1.5=0

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

0.25x=1.5

x=1.5/0.25

x=6

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