12a-9b=9(3a-b)

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Solution for 12a-9b=9(3a-b) equation:


Simplifying
12a + -9b = 9(3a + -1b)
12a + -9b = (3a * 9 + -1b * 9)
12a + -9b = (27a + -9b)

Add '9b' to each side of the equation.
12a + -9b + 9b = 27a + -9b + 9b

Combine like terms: -9b + 9b = 0
12a + 0 = 27a + -9b + 9b
12a = 27a + -9b + 9b

Combine like terms: -9b + 9b = 0
12a = 27a + 0
12a = 27a

Solving
12a = 27a

Solving for variable 'a'.

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

Add '-27a' to each side of the equation.
12a + -27a = 27a + -27a

Combine like terms: 12a + -27a = -15a
-15a = 27a + -27a

Combine like terms: 27a + -27a = 0
-15a = 0

Divide each side by '-15'.
a = 0

Simplifying
a = 0

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