4=4a-8(a-2)

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Solution for 4=4a-8(a-2) equation:


Simplifying
4 = 4a + -8(a + -2)

Reorder the terms:
4 = 4a + -8(-2 + a)
4 = 4a + (-2 * -8 + a * -8)
4 = 4a + (16 + -8a)

Reorder the terms:
4 = 16 + 4a + -8a

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

Solving
4 = 16 + -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.
4 + 4a = 16 + -4a + 4a

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

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

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

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

Divide each side by '4'.
a = 3

Simplifying
a = 3

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