4+2r+q=

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Solution for 4+2r+q= equation:


Simplifying
4 + 2r + q = 0

Reorder the terms:
4 + q + 2r = 0

Solving
4 + q + 2r = 0

Solving for variable 'q'.

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

Add '-4' to each side of the equation.
4 + q + -4 + 2r = 0 + -4

Reorder the terms:
4 + -4 + q + 2r = 0 + -4

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

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

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

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

Simplifying
q = -4 + -2r

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