140+.7x=60+.9x

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Solution for 140+.7x=60+.9x equation: 



140+.7x=60+.9x

We move all terms to the left:

140+.7x-(60+.9x)=0

We add all the numbers together, and all the variables

.7x-(.9x+60)+140=0

We get rid of parentheses

.7x-.9x-60+140=0

We add all the numbers together, and all the variables

-0.2x+80=0

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

-0.2x=-80

x=-80/-0.2

x=+400

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