0.4x+0.5=0.9x-3.5

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Solution for 0.4x+0.5=0.9x-3.5 equation: 



0.4x+0.5=0.9x-3.5

We move all terms to the left:

0.4x+0.5-(0.9x-3.5)=0

We get rid of parentheses

0.4x-0.9x+3.5+0.5=0

We add all the numbers together, and all the variables

-0.5x+4=0

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

-0.5x=-4

x=-4/-0.5

x=+8

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