130+.4x=50+.9x

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Solution for 130+.4x=50+.9x equation: 



130+.4x=50+.9x

We move all terms to the left:

130+.4x-(50+.9x)=0

We add all the numbers together, and all the variables

.4x-(.9x+50)+130=0

We get rid of parentheses

.4x-.9x-50+130=0

We add all the numbers together, and all the variables

-0.5x+80=0

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

-0.5x=-80

x=-80/-0.5

x=+160

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