-8-2q+4q+9=

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Solution for -8-2q+4q+9= equation:


Simplifying
-8 + -2q + 4q + 9 = 0

Reorder the terms:
-8 + 9 + -2q + 4q = 0

Combine like terms: -8 + 9 = 1
1 + -2q + 4q = 0

Combine like terms: -2q + 4q = 2q
1 + 2q = 0

Solving
1 + 2q = 0

Solving for variable 'q'.

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

Add '-1' to each side of the equation.
1 + -1 + 2q = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 2q = 0 + -1
2q = 0 + -1

Combine like terms: 0 + -1 = -1
2q = -1

Divide each side by '2'.
q = -0.5

Simplifying
q = -0.5

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