[4q+9]=[2q-1]

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Solution for [4q+9]=[2q-1] equation:


Simplifying
[4q + 9] = [2q + -1]

Reorder the terms:
[9 + 4q] = [2q + -1]

Remove brackets around [9 + 4q]
9 + 4q = [2q + -1]

Reorder the terms:
9 + 4q = [-1 + 2q]

Remove brackets around [-1 + 2q]
9 + 4q = -1 + 2q

Solving
9 + 4q = -1 + 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.
9 + 4q + -2q = -1 + 2q + -2q

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

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

Add '-9' to each side of the equation.
9 + -9 + 2q = -1 + -9

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

Combine like terms: -1 + -9 = -10
2q = -10

Divide each side by '2'.
q = -5

Simplifying
q = -5

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