42=70-2q

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Solution for 42=70-2q equation:


Simplifying
42 = 70 + -2q

Solving
42 = 70 + -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.
42 + 2q = 70 + -2q + 2q

Combine like terms: -2q + 2q = 0
42 + 2q = 70 + 0
42 + 2q = 70

Add '-42' to each side of the equation.
42 + -42 + 2q = 70 + -42

Combine like terms: 42 + -42 = 0
0 + 2q = 70 + -42
2q = 70 + -42

Combine like terms: 70 + -42 = 28
2q = 28

Divide each side by '2'.
q = 14

Simplifying
q = 14

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