18-2q=4

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Solution for 18-2q=4 equation: 


Simplifying
18 + -2q = 4

Solving
18 + -2q = 4

Solving for variable 'q'.

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

Add '-18' to each side of the equation.
18 + -18 + -2q = 4 + -18

Combine like terms: 18 + -18 = 0
0 + -2q = 4 + -18
-2q = 4 + -18

Combine like terms: 4 + -18 = -14
-2q = -14

Divide each side by '-2'.
q = 7

Simplifying
q = 7

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