4(a+8)=9[a-(2-4)]

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Solution for 4(a+8)=9[a-(2-4)] equation:


Simplifying
4(a + 8) = 9[a + -1(2 + -4)]

Reorder the terms:
4(8 + a) = 9[a + -1(2 + -4)]
(8 * 4 + a * 4) = 9[a + -1(2 + -4)]
(32 + 4a) = 9[a + -1(2 + -4)]

Combine like terms: 2 + -4 = -2
32 + 4a = 9[a + -1(-2)]

Multiply -1 * -2
32 + 4a = 9[a + 2]

Reorder the terms:
32 + 4a = 9[2 + a]
32 + 4a = [2 * 9 + a * 9]
32 + 4a = [18 + 9a]

Solving
32 + 4a = 18 + 9a

Solving for variable 'a'.

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

Add '-9a' to each side of the equation.
32 + 4a + -9a = 18 + 9a + -9a

Combine like terms: 4a + -9a = -5a
32 + -5a = 18 + 9a + -9a

Combine like terms: 9a + -9a = 0
32 + -5a = 18 + 0
32 + -5a = 18

Add '-32' to each side of the equation.
32 + -32 + -5a = 18 + -32

Combine like terms: 32 + -32 = 0
0 + -5a = 18 + -32
-5a = 18 + -32

Combine like terms: 18 + -32 = -14
-5a = -14

Divide each side by '-5'.
a = 2.8

Simplifying
a = 2.8

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