18=-3(y+1)

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Solution for 18=-3(y+1) equation:


Simplifying
18 = -3(y + 1)

Reorder the terms:
18 = -3(1 + y)
18 = (1 * -3 + y * -3)
18 = (-3 + -3y)

Solving
18 = -3 + -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.
18 + 3y = -3 + -3y + 3y

Combine like terms: -3y + 3y = 0
18 + 3y = -3 + 0
18 + 3y = -3

Add '-18' to each side of the equation.
18 + -18 + 3y = -3 + -18

Combine like terms: 18 + -18 = 0
0 + 3y = -3 + -18
3y = -3 + -18

Combine like terms: -3 + -18 = -21
3y = -21

Divide each side by '3'.
y = -7

Simplifying
y = -7

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