7(y+5)=21

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Solution for 7(y+5)=21 equation: 


Simplifying
7(y + 5) = 21

Reorder the terms:
7(5 + y) = 21
(5 * 7 + y * 7) = 21
(35 + 7y) = 21

Solving
35 + 7y = 21

Solving for variable 'y'.

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

Add '-35' to each side of the equation.
35 + -35 + 7y = 21 + -35

Combine like terms: 35 + -35 = 0
0 + 7y = 21 + -35
7y = 21 + -35

Combine like terms: 21 + -35 = -14
7y = -14

Divide each side by '7'.
y = -2

Simplifying
y = -2

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