42=-3(y+8)

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Solution for 42=-3(y+8) equation: 


Simplifying
42 = -3(y + 8)

Reorder the terms:
42 = -3(8 + y)
42 = (8 * -3 + y * -3)
42 = (-24 + -3y)

Solving
42 = -24 + -3y

Solving for variable 'y'.

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

Add '3y' to each side of the equation.
42 + 3y = -24 + -3y + 3y

Combine like terms: -3y + 3y = 0
42 + 3y = -24 + 0
42 + 3y = -24

Add '-42' to each side of the equation.
42 + -42 + 3y = -24 + -42

Combine like terms: 42 + -42 = 0
0 + 3y = -24 + -42
3y = -24 + -42

Combine like terms: -24 + -42 = -66
3y = -66

Divide each side by '3'.
y = -22

Simplifying
y = -22

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