q+18=4q-15

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Solution for q+18=4q-15 equation:


Simplifying
q + 18 = 4q + -15

Reorder the terms:
18 + q = 4q + -15

Reorder the terms:
18 + q = -15 + 4q

Solving
18 + q = -15 + 4q

Solving for variable 'q'.

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

Add '-4q' to each side of the equation.
18 + q + -4q = -15 + 4q + -4q

Combine like terms: q + -4q = -3q
18 + -3q = -15 + 4q + -4q

Combine like terms: 4q + -4q = 0
18 + -3q = -15 + 0
18 + -3q = -15

Add '-18' to each side of the equation.
18 + -18 + -3q = -15 + -18

Combine like terms: 18 + -18 = 0
0 + -3q = -15 + -18
-3q = -15 + -18

Combine like terms: -15 + -18 = -33
-3q = -33

Divide each side by '-3'.
q = 11

Simplifying
q = 11

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