5-8[7-(4y-9)]=

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Solution for 5-8[7-(4y-9)]= equation:


Simplifying
5 + -8[7 + -1(4y + -9)] = 0

Reorder the terms:
5 + -8[7 + -1(-9 + 4y)] = 0
5 + -8[7 + (-9 * -1 + 4y * -1)] = 0
5 + -8[7 + (9 + -4y)] = 0

Combine like terms: 7 + 9 = 16
5 + -8[16 + -4y] = 0
5 + [16 * -8 + -4y * -8] = 0
5 + [-128 + 32y] = 0

Combine like terms: 5 + -128 = -123
-123 + 32y = 0

Solving
-123 + 32y = 0

Solving for variable 'y'.

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

Add '123' to each side of the equation.
-123 + 123 + 32y = 0 + 123

Combine like terms: -123 + 123 = 0
0 + 32y = 0 + 123
32y = 0 + 123

Combine like terms: 0 + 123 = 123
32y = 123

Divide each side by '32'.
y = 3.84375

Simplifying
y = 3.84375

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