8[3-8(y+3)]=72

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Solution for 8[3-8(y+3)]=72 equation:


Simplifying
8[3 + -8(y + 3)] = 72

Reorder the terms:
8[3 + -8(3 + y)] = 72
8[3 + (3 * -8 + y * -8)] = 72
8[3 + (-24 + -8y)] = 72

Combine like terms: 3 + -24 = -21
8[-21 + -8y] = 72
[-21 * 8 + -8y * 8] = 72
[-168 + -64y] = 72

Solving
-168 + -64y = 72

Solving for variable 'y'.

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

Add '168' to each side of the equation.
-168 + 168 + -64y = 72 + 168

Combine like terms: -168 + 168 = 0
0 + -64y = 72 + 168
-64y = 72 + 168

Combine like terms: 72 + 168 = 240
-64y = 240

Divide each side by '-64'.
y = -3.75

Simplifying
y = -3.75

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