7(y+3)+7=-21

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Solution for 7(y+3)+7=-21 equation:


Simplifying
7(y + 3) + 7 = -21

Reorder the terms:
7(3 + y) + 7 = -21
(3 * 7 + y * 7) + 7 = -21
(21 + 7y) + 7 = -21

Reorder the terms:
21 + 7 + 7y = -21

Combine like terms: 21 + 7 = 28
28 + 7y = -21

Solving
28 + 7y = -21

Solving for variable 'y'.

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

Add '-28' to each side of the equation.
28 + -28 + 7y = -21 + -28

Combine like terms: 28 + -28 = 0
0 + 7y = -21 + -28
7y = -21 + -28

Combine like terms: -21 + -28 = -49
7y = -49

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

Simplifying
y = -7

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