9-7[7-(5y-8)]=

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Solution for 9-7[7-(5y-8)]= equation:


Simplifying
9 + -7[7 + -1(5y + -8)] = 0

Reorder the terms:
9 + -7[7 + -1(-8 + 5y)] = 0
9 + -7[7 + (-8 * -1 + 5y * -1)] = 0
9 + -7[7 + (8 + -5y)] = 0

Combine like terms: 7 + 8 = 15
9 + -7[15 + -5y] = 0
9 + [15 * -7 + -5y * -7] = 0
9 + [-105 + 35y] = 0

Combine like terms: 9 + -105 = -96
-96 + 35y = 0

Solving
-96 + 35y = 0

Solving for variable 'y'.

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

Add '96' to each side of the equation.
-96 + 96 + 35y = 0 + 96

Combine like terms: -96 + 96 = 0
0 + 35y = 0 + 96
35y = 0 + 96

Combine like terms: 0 + 96 = 96
35y = 96

Divide each side by '35'.
y = 2.742857143

Simplifying
y = 2.742857143

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