x=300-0.4x

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Solution for x=300-0.4x equation: 



x=300-0.4x

We move all terms to the left:

x-(300-0.4x)=0

We add all the numbers together, and all the variables

x-(-0.4x+300)=0

We get rid of parentheses

x+0.4x-300=0

We add all the numbers together, and all the variables

1.4x-300=0

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

1.4x=300

x=300/1.4

x=214+0.40000000000003/1.4

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