q-4=2q

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Solution for q-4=2q equation:


Simplifying
q + -4 = 2q

Reorder the terms:
-4 + q = 2q

Solving
-4 + q = 2q

Solving for variable 'q'.

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

Add '-2q' to each side of the equation.
-4 + q + -2q = 2q + -2q

Combine like terms: q + -2q = -1q
-4 + -1q = 2q + -2q

Combine like terms: 2q + -2q = 0
-4 + -1q = 0

Add '4' to each side of the equation.
-4 + 4 + -1q = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -1q = 0 + 4
-1q = 0 + 4

Combine like terms: 0 + 4 = 4
-1q = 4

Divide each side by '-1'.
q = -4

Simplifying
q = -4

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