0.5x+0.7=0.9x-0.9

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Solution for 0.5x+0.7=0.9x-0.9 equation: 



0.5x+0.7=0.9x-0.9

We move all terms to the left:

0.5x+0.7-(0.9x-0.9)=0

We get rid of parentheses

0.5x-0.9x+0.9+0.7=0

We add all the numbers together, and all the variables

-0.4x+1.6=0

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

-0.4x=-1.6

x=-1.6/-0.4

x=+4

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