3(y+2)=-21

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Solution for 3(y+2)=-21 equation: 


Simplifying
3(y + 2) = -21

Reorder the terms:
3(2 + y) = -21
(2 * 3 + y * 3) = -21
(6 + 3y) = -21

Solving
6 + 3y = -21

Solving for variable 'y'.

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

Add '-6' to each side of the equation.
6 + -6 + 3y = -21 + -6

Combine like terms: 6 + -6 = 0
0 + 3y = -21 + -6
3y = -21 + -6

Combine like terms: -21 + -6 = -27
3y = -27

Divide each side by '3'.
y = -9

Simplifying
y = -9

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