30x+450=15x+900

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Solution for 30x+450=15x+900 equation: 



30x+450=15x+900

We move all terms to the left:

30x+450-(15x+900)=0

We get rid of parentheses

30x-15x-900+450=0

We add all the numbers together, and all the variables

15x-450=0

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

15x=450

x=450/15

x=30

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