9(q-9)=3(q-12)

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Solution for 9(q-9)=3(q-12) equation:


Simplifying
9(q + -9) = 3(q + -12)

Reorder the terms:
9(-9 + q) = 3(q + -12)
(-9 * 9 + q * 9) = 3(q + -12)
(-81 + 9q) = 3(q + -12)

Reorder the terms:
-81 + 9q = 3(-12 + q)
-81 + 9q = (-12 * 3 + q * 3)
-81 + 9q = (-36 + 3q)

Solving
-81 + 9q = -36 + 3q

Solving for variable 'q'.

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

Add '-3q' to each side of the equation.
-81 + 9q + -3q = -36 + 3q + -3q

Combine like terms: 9q + -3q = 6q
-81 + 6q = -36 + 3q + -3q

Combine like terms: 3q + -3q = 0
-81 + 6q = -36 + 0
-81 + 6q = -36

Add '81' to each side of the equation.
-81 + 81 + 6q = -36 + 81

Combine like terms: -81 + 81 = 0
0 + 6q = -36 + 81
6q = -36 + 81

Combine like terms: -36 + 81 = 45
6q = 45

Divide each side by '6'.
q = 7.5

Simplifying
q = 7.5

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