7+y=-21

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Solution for 7+y=-21 equation: 


Simplifying
7 + y = -21

Solving
7 + y = -21

Solving for variable 'y'.

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

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

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

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

Simplifying
y = -28

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