10=20+-2q

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Solution for 10=20+-2q equation:


Simplifying
10 = 20 + -2q

Solving
10 = 20 + -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.
10 + 2q = 20 + -2q + 2q

Combine like terms: -2q + 2q = 0
10 + 2q = 20 + 0
10 + 2q = 20

Add '-10' to each side of the equation.
10 + -10 + 2q = 20 + -10

Combine like terms: 10 + -10 = 0
0 + 2q = 20 + -10
2q = 20 + -10

Combine like terms: 20 + -10 = 10
2q = 10

Divide each side by '2'.
q = 5

Simplifying
q = 5

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