-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 = 35
-7y = 35

Divide each side by '-7'.
y = -5

Simplifying
y = -5

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