400-Q=1200+4Q

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Solution for 400-Q=1200+4Q equation:


Simplifying
400 + -1Q = 1200 + 4Q

Solving
400 + -1Q = 1200 + 4Q

Solving for variable 'Q'.

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

Add '-4Q' to each side of the equation.
400 + -1Q + -4Q = 1200 + 4Q + -4Q

Combine like terms: -1Q + -4Q = -5Q
400 + -5Q = 1200 + 4Q + -4Q

Combine like terms: 4Q + -4Q = 0
400 + -5Q = 1200 + 0
400 + -5Q = 1200

Add '-400' to each side of the equation.
400 + -400 + -5Q = 1200 + -400

Combine like terms: 400 + -400 = 0
0 + -5Q = 1200 + -400
-5Q = 1200 + -400

Combine like terms: 1200 + -400 = 800
-5Q = 800

Divide each side by '-5'.
Q = -160

Simplifying
Q = -160

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