9a-3(4a-9)=

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Solution for 9a-3(4a-9)= equation:


Simplifying
9a + -3(4a + -9) = 0

Reorder the terms:
9a + -3(-9 + 4a) = 0
9a + (-9 * -3 + 4a * -3) = 0
9a + (27 + -12a) = 0

Reorder the terms:
27 + 9a + -12a = 0

Combine like terms: 9a + -12a = -3a
27 + -3a = 0

Solving
27 + -3a = 0

Solving for variable 'a'.

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

Add '-27' to each side of the equation.
27 + -27 + -3a = 0 + -27

Combine like terms: 27 + -27 = 0
0 + -3a = 0 + -27
-3a = 0 + -27

Combine like terms: 0 + -27 = -27
-3a = -27

Divide each side by '-3'.
a = 9

Simplifying
a = 9

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