5(0.9-x)=40x

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Solution for 5(0.9-x)=40x equation: 



5(0.9-x)=40x

We move all terms to the left:

5(0.9-x)-(40x)=0

We add all the numbers together, and all the variables

5(-1x+0.9)-40x=0

We add all the numbers together, and all the variables

-40x+5(-1x+0.9)=0

We multiply parentheses

-40x-5x+4.5=0

We add all the numbers together, and all the variables

-45x+4.5=0

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

-45x=-4.5

x=-4.5/-45

x=3/30

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