6(-7-5a)-9a=

Solution for 6(-7-5a)-9a= equation:

Simplifying
6(-7 + -5a) + -9a = 0
(-7 * 6 + -5a * 6) + -9a = 0
(-42 + -30a) + -9a = 0

Combine like terms: -30a + -9a = -39a
-42 + -39a = 0

Solving
-42 + -39a = 0

Solving for variable 'a'.

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

Add '42' to each side of the equation.
-42 + 42 + -39a = 0 + 42

Combine like terms: -42 + 42 = 0
0 + -39a = 0 + 42
-39a = 0 + 42

Combine like terms: 0 + 42 = 42
-39a = 42

Divide each side by '-39'.
a = -1.076923077

Simplifying
a = -1.076923077