-4a-6=-a+15

Solution for -4a-6=-a+15 equation:

Simplifying
-4a + -6 = -1a + 15

Reorder the terms:
-6 + -4a = -1a + 15

Reorder the terms:
-6 + -4a = 15 + -1a

Solving
-6 + -4a = 15 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
-6 + -4a + a = 15 + -1a + a

Combine like terms: -4a + a = -3a
-6 + -3a = 15 + -1a + a

Combine like terms: -1a + a = 0
-6 + -3a = 15 + 0
-6 + -3a = 15

Add '6' to each side of the equation.
-6 + 6 + -3a = 15 + 6

Combine like terms: -6 + 6 = 0
0 + -3a = 15 + 6
-3a = 15 + 6

Combine like terms: 15 + 6 = 21
-3a = 21

Divide each side by '-3'.
a = -7

Simplifying
a = -7