4a-4=8+a

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Solution for 4a-4=8+a equation:


Simplifying
4a + -4 = 8 + a

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

Solving
-4 + 4a = 8 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-4 + 4a + -1a = 8 + a + -1a

Combine like terms: 4a + -1a = 3a
-4 + 3a = 8 + a + -1a

Combine like terms: a + -1a = 0
-4 + 3a = 8 + 0
-4 + 3a = 8

Add '4' to each side of the equation.
-4 + 4 + 3a = 8 + 4

Combine like terms: -4 + 4 = 0
0 + 3a = 8 + 4
3a = 8 + 4

Combine like terms: 8 + 4 = 12
3a = 12

Divide each side by '3'.
a = 4

Simplifying
a = 4

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