2-9[3-(5y-7)]=

Solution for 2-9[3-(5y-7)]= equation:

Simplifying
2 + -9[3 + -1(5y + -7)] = 0

Reorder the terms:
2 + -9[3 + -1(-7 + 5y)] = 0
2 + -9[3 + (-7 * -1 + 5y * -1)] = 0
2 + -9[3 + (7 + -5y)] = 0

Combine like terms: 3 + 7 = 10
2 + -9[10 + -5y] = 0
2 + [10 * -9 + -5y * -9] = 0
2 + [-90 + 45y] = 0

Combine like terms: 2 + -90 = -88
-88 + 45y = 0

Solving
-88 + 45y = 0

Solving for variable 'y'.

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

Add '88' to each side of the equation.
-88 + 88 + 45y = 0 + 88

Combine like terms: -88 + 88 = 0
0 + 45y = 0 + 88
45y = 0 + 88

Combine like terms: 0 + 88 = 88
45y = 88

Divide each side by '45'.
y = 1.955555556

Simplifying
y = 1.955555556