800+16y=720+21y

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Solution for 800+16y=720+21y equation:


Simplifying
800 + 16y = 720 + 21y

Solving
800 + 16y = 720 + 21y

Solving for variable 'y'.

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

Add '-21y' to each side of the equation.
800 + 16y + -21y = 720 + 21y + -21y

Combine like terms: 16y + -21y = -5y
800 + -5y = 720 + 21y + -21y

Combine like terms: 21y + -21y = 0
800 + -5y = 720 + 0
800 + -5y = 720

Add '-800' to each side of the equation.
800 + -800 + -5y = 720 + -800

Combine like terms: 800 + -800 = 0
0 + -5y = 720 + -800
-5y = 720 + -800

Combine like terms: 720 + -800 = -80
-5y = -80

Divide each side by '-5'.
y = 16

Simplifying
y = 16

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