-(3y+3)-(-2-7)=-1

Solution for -(3y+3)-(-2-7)=-1 equation:

Simplifying
-1(3y + 3) + -1(-2 + -7) = -1

Reorder the terms:
-1(3 + 3y) + -1(-2 + -7) = -1
(3 * -1 + 3y * -1) + -1(-2 + -7) = -1
(-3 + -3y) + -1(-2 + -7) = -1

Combine like terms: -2 + -7 = -9
-3 + -3y + -1(-9) = -1

Multiply -1 * -9
-3 + -3y + 9 = -1

Reorder the terms:
-3 + 9 + -3y = -1

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

Solving
6 + -3y = -1

Solving for variable 'y'.

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

Add '-6' to each side of the equation.
6 + -6 + -3y = -1 + -6

Combine like terms: 6 + -6 = 0
0 + -3y = -1 + -6
-3y = -1 + -6

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

Divide each side by '-3'.
y = 2.333333333

Simplifying
y = 2.333333333