[q-4]*2=4

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Solution for [q-4]*2=4 equation: 


Simplifying
[q + -4] * 2 = 4

Reorder the terms:
[-4 + q] * 2 = 4

Reorder the terms for easier multiplication:
2[-4 + q] = 4
[-4 * 2 + q * 2] = 4
[-8 + 2q] = 4

Solving
-8 + 2q = 4

Solving for variable 'q'.

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

Add '8' to each side of the equation.
-8 + 8 + 2q = 4 + 8

Combine like terms: -8 + 8 = 0
0 + 2q = 4 + 8
2q = 4 + 8

Combine like terms: 4 + 8 = 12
2q = 12

Divide each side by '2'.
q = 6

Simplifying
q = 6

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