0.4q+0.9(1-q)=0.9q+0.4(1-q)

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Solution for 0.4q+0.9(1-q)=0.9q+0.4(1-q) equation: 



0.4q+0.9(1-q)=0.9q+0.4(1-q)

We move all terms to the left:

0.4q+0.9(1-q)-(0.9q+0.4(1-q))=0

We add all the numbers together, and all the variables

0.4q+0.9(-1q+1)-(0.9q+0.4(-1q+1))=0

We multiply parentheses

0.4q-0.9q-(0.9q+0.4(-1q+1))+0.9=0



We calculate terms in parentheses: -(0.9q+0.4(-1q+1)), so:

0.9q+0.4(-1q+1)

We multiply parentheses

0.9q-0.4q+0.4

We add all the numbers together, and all the variables

0.5q+0.4

Back to the equation:

-(0.5q+0.4)



We add all the numbers together, and all the variables

-0.5q-(0.5q+0.4)+0.9=0

We get rid of parentheses

-0.5q-0.5q-0.4+0.9=0

We add all the numbers together, and all the variables

-1q+0.5=0

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

-q=-0.5

q=-0.5/-1

q=0.5/1

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