-9=-7z-6(2z+1)

Solution for -9=-7z-6(2z+1) equation:

Simplifying
-9 = -7z + -6(2z + 1)

Reorder the terms:
-9 = -7z + -6(1 + 2z)
-9 = -7z + (1 * -6 + 2z * -6)
-9 = -7z + (-6 + -12z)

Reorder the terms:
-9 = -6 + -7z + -12z

Combine like terms: -7z + -12z = -19z
-9 = -6 + -19z

Solving
-9 = -6 + -19z

Solving for variable 'z'.

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

Add '19z' to each side of the equation.
-9 + 19z = -6 + -19z + 19z

Combine like terms: -19z + 19z = 0
-9 + 19z = -6 + 0
-9 + 19z = -6

Add '9' to each side of the equation.
-9 + 9 + 19z = -6 + 9

Combine like terms: -9 + 9 = 0
0 + 19z = -6 + 9
19z = -6 + 9

Combine like terms: -6 + 9 = 3
19z = 3

Divide each side by '19'.
z = 0.1578947368

Simplifying
z = 0.1578947368