-7(y+1)-(-6-3)=-1

Solution for -7(y+1)-(-6-3)=-1 equation:

Simplifying
-7(y + 1) + -1(-6 + -3) = -1

Reorder the terms:
-7(1 + y) + -1(-6 + -3) = -1
(1 * -7 + y * -7) + -1(-6 + -3) = -1
(-7 + -7y) + -1(-6 + -3) = -1

Combine like terms: -6 + -3 = -9
-7 + -7y + -1(-9) = -1

Multiply -1 * -9
-7 + -7y + 9 = -1

Reorder the terms:
-7 + 9 + -7y = -1

Combine like terms: -7 + 9 = 2
2 + -7y = -1

Solving
2 + -7y = -1

Solving for variable 'y'.

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

Add '-2' to each side of the equation.
2 + -2 + -7y = -1 + -2

Combine like terms: 2 + -2 = 0
0 + -7y = -1 + -2
-7y = -1 + -2

Combine like terms: -1 + -2 = -3
-7y = -3

Divide each side by '-7'.
y = 0.4285714286

Simplifying
y = 0.4285714286