30-q=2q

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Solution for 30-q=2q equation:


Simplifying
30 + -1q = 2q

Solving
30 + -1q = 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.
30 + -1q + -2q = 2q + -2q

Combine like terms: -1q + -2q = -3q
30 + -3q = 2q + -2q

Combine like terms: 2q + -2q = 0
30 + -3q = 0

Add '-30' to each side of the equation.
30 + -30 + -3q = 0 + -30

Combine like terms: 30 + -30 = 0
0 + -3q = 0 + -30
-3q = 0 + -30

Combine like terms: 0 + -30 = -30
-3q = -30

Divide each side by '-3'.
q = 10

Simplifying
q = 10

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