-3(3a-4)=3(-3-2a)

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Solution for -3(3a-4)=3(-3-2a) equation:


Simplifying
-3(3a + -4) = 3(-3 + -2a)

Reorder the terms:
-3(-4 + 3a) = 3(-3 + -2a)
(-4 * -3 + 3a * -3) = 3(-3 + -2a)
(12 + -9a) = 3(-3 + -2a)
12 + -9a = (-3 * 3 + -2a * 3)
12 + -9a = (-9 + -6a)

Solving
12 + -9a = -9 + -6a

Solving for variable 'a'.

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

Add '6a' to each side of the equation.
12 + -9a + 6a = -9 + -6a + 6a

Combine like terms: -9a + 6a = -3a
12 + -3a = -9 + -6a + 6a

Combine like terms: -6a + 6a = 0
12 + -3a = -9 + 0
12 + -3a = -9

Add '-12' to each side of the equation.
12 + -12 + -3a = -9 + -12

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

Combine like terms: -9 + -12 = -21
-3a = -21

Divide each side by '-3'.
a = 7

Simplifying
a = 7

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