-16r+400=0

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Solution for -16r+400=0 equation: 


Simplifying
-16r + 400 = 0

Reorder the terms:
400 + -16r = 0

Solving
400 + -16r = 0

Solving for variable 'r'.

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

Add '-400' to each side of the equation.
400 + -400 + -16r = 0 + -400

Combine like terms: 400 + -400 = 0
0 + -16r = 0 + -400
-16r = 0 + -400

Combine like terms: 0 + -400 = -400
-16r = -400

Divide each side by '-16'.
r = 25

Simplifying
r = 25

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