300+150x=400+100x

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Solution for 300+150x=400+100x equation: 



300+150x=400+100x

We move all terms to the left:

300+150x-(400+100x)=0

We add all the numbers together, and all the variables

150x-(100x+400)+300=0

We get rid of parentheses

150x-100x-400+300=0

We add all the numbers together, and all the variables

50x-100=0

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

50x=100

x=100/50

x=2

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