4(a-4)=(a-5)

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Solution for 4(a-4)=(a-5) equation:


Simplifying
4(a + -4) = (a + -5)

Reorder the terms:
4(-4 + a) = (a + -5)
(-4 * 4 + a * 4) = (a + -5)
(-16 + 4a) = (a + -5)

Reorder the terms:
-16 + 4a = (-5 + a)

Remove parenthesis around (-5 + a)
-16 + 4a = -5 + a

Solving
-16 + 4a = -5 + 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.
-16 + 4a + -1a = -5 + a + -1a

Combine like terms: 4a + -1a = 3a
-16 + 3a = -5 + a + -1a

Combine like terms: a + -1a = 0
-16 + 3a = -5 + 0
-16 + 3a = -5

Add '16' to each side of the equation.
-16 + 16 + 3a = -5 + 16

Combine like terms: -16 + 16 = 0
0 + 3a = -5 + 16
3a = -5 + 16

Combine like terms: -5 + 16 = 11
3a = 11

Divide each side by '3'.
a = 3.666666667

Simplifying
a = 3.666666667

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