7y+21=5

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Solution for 7y+21=5 equation: 


Simplifying
7y + 21 = 5

Reorder the terms:
21 + 7y = 5

Solving
21 + 7y = 5

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 = 5 + -21

Combine like terms: 21 + -21 = 0
0 + 7y = 5 + -21
7y = 5 + -21

Combine like terms: 5 + -21 = -16
7y = -16

Divide each side by '7'.
y = -2.285714286

Simplifying
y = -2.285714286

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