200-4Q=100

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Solution for 200-4Q=100 equation: 


Simplifying
200 + -4Q = 100

Solving
200 + -4Q = 100

Solving for variable 'Q'.

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

Add '-200' to each side of the equation.
200 + -200 + -4Q = 100 + -200

Combine like terms: 200 + -200 = 0
0 + -4Q = 100 + -200
-4Q = 100 + -200

Combine like terms: 100 + -200 = -100
-4Q = -100

Divide each side by '-4'.
Q = 25

Simplifying
Q = 25

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