4(a-4)=a-15

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Solution for 4(a-4)=a-15 equation:


Simplifying
4(a + -4) = a + -15

Reorder the terms:
4(-4 + a) = a + -15
(-4 * 4 + a * 4) = a + -15
(-16 + 4a) = a + -15

Reorder the terms:
-16 + 4a = -15 + a

Solving
-16 + 4a = -15 + 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 = -15 + a + -1a

Combine like terms: 4a + -1a = 3a
-16 + 3a = -15 + a + -1a

Combine like terms: a + -1a = 0
-16 + 3a = -15 + 0
-16 + 3a = -15

Add '16' to each side of the equation.
-16 + 16 + 3a = -15 + 16

Combine like terms: -16 + 16 = 0
0 + 3a = -15 + 16
3a = -15 + 16

Combine like terms: -15 + 16 = 1
3a = 1

Divide each side by '3'.
a = 0.3333333333

Simplifying
a = 0.3333333333

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