7(y+2)=21

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Solution for 7(y+2)=21 equation: 


Simplifying
7(y + 2) = 21

Reorder the terms:
7(2 + y) = 21
(2 * 7 + y * 7) = 21
(14 + 7y) = 21

Solving
14 + 7y = 21

Solving for variable 'y'.

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

Add '-14' to each side of the equation.
14 + -14 + 7y = 21 + -14

Combine like terms: 14 + -14 = 0
0 + 7y = 21 + -14
7y = 21 + -14

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

Divide each side by '7'.
y = 1

Simplifying
y = 1

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