0.5q=9-0.4q

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Solution for 0.5q=9-0.4q equation: 


Simplifying
0.5q = 9 + -0.4q

Solving
0.5q = 9 + -0.4q

Solving for variable 'q'.

Move all terms containing q to the left, all other terms to the right.

Add '0.4q' to each side of the equation.
0.5q + 0.4q = 9 + -0.4q + 0.4q

Combine like terms: 0.5q + 0.4q = 0.9q
0.9q = 9 + -0.4q + 0.4q

Combine like terms: -0.4q + 0.4q = 0.0
0.9q = 9 + 0.0
0.9q = 9

Divide each side by '0.9'.
q = 10

Simplifying
q = 10

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