100-45x=125-30x

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Solution for 100-45x=125-30x equation: 



100-45x=125-30x

We move all terms to the left:

100-45x-(125-30x)=0

We add all the numbers together, and all the variables

-45x-(-30x+125)+100=0

We get rid of parentheses

-45x+30x-125+100=0

We add all the numbers together, and all the variables

-15x-25=0

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

-15x=25

x=25/-15

x=-1+2/3

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