-4+4(a-9)=-12(a+2)

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Solution for -4+4(a-9)=-12(a+2) equation:


Simplifying
-4 + 4(a + -9) = -12(a + 2)

Reorder the terms:
-4 + 4(-9 + a) = -12(a + 2)
-4 + (-9 * 4 + a * 4) = -12(a + 2)
-4 + (-36 + 4a) = -12(a + 2)

Combine like terms: -4 + -36 = -40
-40 + 4a = -12(a + 2)

Reorder the terms:
-40 + 4a = -12(2 + a)
-40 + 4a = (2 * -12 + a * -12)
-40 + 4a = (-24 + -12a)

Solving
-40 + 4a = -24 + -12a

Solving for variable 'a'.

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

Add '12a' to each side of the equation.
-40 + 4a + 12a = -24 + -12a + 12a

Combine like terms: 4a + 12a = 16a
-40 + 16a = -24 + -12a + 12a

Combine like terms: -12a + 12a = 0
-40 + 16a = -24 + 0
-40 + 16a = -24

Add '40' to each side of the equation.
-40 + 40 + 16a = -24 + 40

Combine like terms: -40 + 40 = 0
0 + 16a = -24 + 40
16a = -24 + 40

Combine like terms: -24 + 40 = 16
16a = 16

Divide each side by '16'.
a = 1

Simplifying
a = 1

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