8[a+2]=28-4a

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Solution for 8[a+2]=28-4a equation:


Simplifying
8[a + 2] = 28 + -4a

Reorder the terms:
8[2 + a] = 28 + -4a
[2 * 8 + a * 8] = 28 + -4a
[16 + 8a] = 28 + -4a

Solving
16 + 8a = 28 + -4a

Solving for variable 'a'.

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

Add '4a' to each side of the equation.
16 + 8a + 4a = 28 + -4a + 4a

Combine like terms: 8a + 4a = 12a
16 + 12a = 28 + -4a + 4a

Combine like terms: -4a + 4a = 0
16 + 12a = 28 + 0
16 + 12a = 28

Add '-16' to each side of the equation.
16 + -16 + 12a = 28 + -16

Combine like terms: 16 + -16 = 0
0 + 12a = 28 + -16
12a = 28 + -16

Combine like terms: 28 + -16 = 12
12a = 12

Divide each side by '12'.
a = 1

Simplifying
a = 1

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