11=10-3r

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Solution for 11=10-3r equation: 


Simplifying
11 = 10 + -3r

Solving
11 = 10 + -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.
11 + 3r = 10 + -3r + 3r

Combine like terms: -3r + 3r = 0
11 + 3r = 10 + 0
11 + 3r = 10

Add '-11' to each side of the equation.
11 + -11 + 3r = 10 + -11

Combine like terms: 11 + -11 = 0
0 + 3r = 10 + -11
3r = 10 + -11

Combine like terms: 10 + -11 = -1
3r = -1

Divide each side by '3'.
r = -0.3333333333

Simplifying
r = -0.3333333333

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