4=8-2q

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Solution for 4=8-2q equation:


Simplifying
4 = 8 + -2q

Solving
4 = 8 + -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 + 2q = 8 + -2q + 2q

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

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

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

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

Divide each side by '2'.
q = 2

Simplifying
q = 2

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