800=.8y-16r

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Solution for 800=.8y-16r equation:


Simplifying
800 = 0.8y + -16r

Reorder the terms:
800 = -16r + 0.8y

Solving
800 = -16r + 0.8y

Solving for variable 'r'.

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

Add '16r' to each side of the equation.
800 + 16r = -16r + 16r + 0.8y

Combine like terms: -16r + 16r = 0
800 + 16r = 0 + 0.8y
800 + 16r = 0.8y

Add '-800' to each side of the equation.
800 + -800 + 16r = -800 + 0.8y

Combine like terms: 800 + -800 = 0
0 + 16r = -800 + 0.8y
16r = -800 + 0.8y

Divide each side by '16'.
r = -50 + 0.05y

Simplifying
r = -50 + 0.05y

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