3X-Q=20

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Solution for 3X-Q=20 equation: 


Simplifying
3X + -1Q = 20

Reorder the terms:
-1Q + 3X = 20

Solving
-1Q + 3X = 20

Solving for variable 'Q'.

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

Add '-3X' to each side of the equation.
-1Q + 3X + -3X = 20 + -3X

Combine like terms: 3X + -3X = 0
-1Q + 0 = 20 + -3X
-1Q = 20 + -3X

Divide each side by '-1'.
Q = -20 + 3X

Simplifying
Q = -20 + 3X

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