13-q=0.9

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Solution for 13-q=0.9 equation:


Simplifying
13 + -1q = 0.9

Solving
13 + -1q = 0.9

Solving for variable 'q'.

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

Add '-13' to each side of the equation.
13 + -13 + -1q = 0.9 + -13

Combine like terms: 13 + -13 = 0
0 + -1q = 0.9 + -13
-1q = 0.9 + -13

Combine like terms: 0.9 + -13 = -12.1
-1q = -12.1

Divide each side by '-1'.
q = 12.1

Simplifying
q = 12.1

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