15y-21=0

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Solution for 15y-21=0 equation: 


Simplifying
15y + -21 = 0

Reorder the terms:
-21 + 15y = 0

Solving
-21 + 15y = 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 + 15y = 0 + 21

Combine like terms: -21 + 21 = 0
0 + 15y = 0 + 21
15y = 0 + 21

Combine like terms: 0 + 21 = 21
15y = 21

Divide each side by '15'.
y = 1.4

Simplifying
y = 1.4

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