7(3+y)=

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Solution for 7(3+y)= equation: 


Simplifying
7(3 + y) = 0
(3 * 7 + y * 7) = 0
(21 + 7y) = 0

Solving
21 + 7y = 0

Solving for variable 'y'.

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

Add '-21' to each side of the equation.
21 + -21 + 7y = 0 + -21

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

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

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

Simplifying
y = -3

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