16=r-9

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Solution for 16=r-9 equation: 


Simplifying
16 = r + -9

Reorder the terms:
16 = -9 + r

Solving
16 = -9 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
16 + -1r = -9 + r + -1r

Combine like terms: r + -1r = 0
16 + -1r = -9 + 0
16 + -1r = -9

Add '-16' to each side of the equation.
16 + -16 + -1r = -9 + -16

Combine like terms: 16 + -16 = 0
0 + -1r = -9 + -16
-1r = -9 + -16

Combine like terms: -9 + -16 = -25
-1r = -25

Divide each side by '-1'.
r = 25

Simplifying
r = 25

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