9-5[6-(5y-7)]=

Solution for 9-5[6-(5y-7)]= equation:

Simplifying
9 + -5[6 + -1(5y + -7)] = 0

Reorder the terms:
9 + -5[6 + -1(-7 + 5y)] = 0
9 + -5[6 + (-7 * -1 + 5y * -1)] = 0
9 + -5[6 + (7 + -5y)] = 0

Combine like terms: 6 + 7 = 13
9 + -5[13 + -5y] = 0
9 + [13 * -5 + -5y * -5] = 0
9 + [-65 + 25y] = 0

Combine like terms: 9 + -65 = -56
-56 + 25y = 0

Solving
-56 + 25y = 0

Solving for variable 'y'.

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

Add '56' to each side of the equation.
-56 + 56 + 25y = 0 + 56

Combine like terms: -56 + 56 = 0
0 + 25y = 0 + 56
25y = 0 + 56

Combine like terms: 0 + 56 = 56
25y = 56

Divide each side by '25'.
y = 2.24

Simplifying
y = 2.24