4(a+2)=8a-4

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


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

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

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

Solving
8 + 4a = -4 + 8a

Solving for variable 'a'.

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

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

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

Combine like terms: 8a + -8a = 0
8 + -4a = -4 + 0
8 + -4a = -4

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

Combine like terms: 8 + -8 = 0
0 + -4a = -4 + -8
-4a = -4 + -8

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

Divide each side by '-4'.
a = 3

Simplifying
a = 3

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