-11a-5a=-7(6+5a)-1a

Solution for -11a-5a=-7(6+5a)-1a equation:

Simplifying
-11a + -5a = -7(6 + 5a) + -1a

Combine like terms: -11a + -5a = -16a
-16a = -7(6 + 5a) + -1a
-16a = (6 * -7 + 5a * -7) + -1a
-16a = (-42 + -35a) + -1a

Combine like terms: -35a + -1a = -36a
-16a = -42 + -36a

Solving
-16a = -42 + -36a

Solving for variable 'a'.

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

Add '36a' to each side of the equation.
-16a + 36a = -42 + -36a + 36a

Combine like terms: -16a + 36a = 20a
20a = -42 + -36a + 36a

Combine like terms: -36a + 36a = 0
20a = -42 + 0
20a = -42

Divide each side by '20'.
a = -2.1

Simplifying
a = -2.1