-21y-45=711

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Solution for -21y-45=711 equation: 


Simplifying
-21y + -45 = 711

Reorder the terms:
-45 + -21y = 711

Solving
-45 + -21y = 711

Solving for variable 'y'.

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

Add '45' to each side of the equation.
-45 + 45 + -21y = 711 + 45

Combine like terms: -45 + 45 = 0
0 + -21y = 711 + 45
-21y = 711 + 45

Combine like terms: 711 + 45 = 756
-21y = 756

Divide each side by '-21'.
y = -36

Simplifying
y = -36

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