2(55-Q)+4Q-138=0

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Solution for 2(55-Q)+4Q-138=0 equation:


Simplifying
2(55 + -1Q) + 4Q + -138 = 0
(55 * 2 + -1Q * 2) + 4Q + -138 = 0
(110 + -2Q) + 4Q + -138 = 0

Reorder the terms:
110 + -138 + -2Q + 4Q = 0

Combine like terms: 110 + -138 = -28
-28 + -2Q + 4Q = 0

Combine like terms: -2Q + 4Q = 2Q
-28 + 2Q = 0

Solving
-28 + 2Q = 0

Solving for variable 'Q'.

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

Add '28' to each side of the equation.
-28 + 28 + 2Q = 0 + 28

Combine like terms: -28 + 28 = 0
0 + 2Q = 0 + 28
2Q = 0 + 28

Combine like terms: 0 + 28 = 28
2Q = 28

Divide each side by '2'.
Q = 14

Simplifying
Q = 14

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