=25-3r

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Solution for =25-3r equation: 


Simplifying
0 = 25 + -3r

Solving
0 = 25 + -3r

Solving for variable 'r'.

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

Add '3r' to each side of the equation.
0 + 3r = 25 + -3r + 3r
Remove the zero:
3r = 25 + -3r + 3r

Combine like terms: -3r + 3r = 0
3r = 25 + 0
3r = 25

Divide each side by '3'.
r = 8.333333333

Simplifying
r = 8.333333333

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