500+45x=800+30x

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Solution for 500+45x=800+30x equation: 



500+45x=800+30x

We move all terms to the left:

500+45x-(800+30x)=0

We add all the numbers together, and all the variables

45x-(30x+800)+500=0

We get rid of parentheses

45x-30x-800+500=0

We add all the numbers together, and all the variables

15x-300=0

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

15x=300

x=300/15

x=20

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