6a-4a-15a+6-6+12=

Solution for 6a-4a-15a+6-6+12= equation:

Simplifying
6a + -4a + -15a + 6 + -6 + 12 = 0

Reorder the terms:
6 + -6 + 12 + 6a + -4a + -15a = 0

Combine like terms: 6 + -6 = 0
0 + 12 + 6a + -4a + -15a = 0
12 + 6a + -4a + -15a = 0

Combine like terms: 6a + -4a = 2a
12 + 2a + -15a = 0

Combine like terms: 2a + -15a = -13a
12 + -13a = 0

Solving
12 + -13a = 0

Solving for variable 'a'.

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

Add '-12' to each side of the equation.
12 + -12 + -13a = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -13a = 0 + -12
-13a = 0 + -12

Combine like terms: 0 + -12 = -12
-13a = -12

Divide each side by '-13'.
a = 0.9230769231

Simplifying
a = 0.9230769231