10r-11=8r

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Solution for 10r-11=8r equation:


Simplifying
10r + -11 = 8r

Reorder the terms:
-11 + 10r = 8r

Solving
-11 + 10r = 8r

Solving for variable 'r'.

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

Add '-8r' to each side of the equation.
-11 + 10r + -8r = 8r + -8r

Combine like terms: 10r + -8r = 2r
-11 + 2r = 8r + -8r

Combine like terms: 8r + -8r = 0
-11 + 2r = 0

Add '11' to each side of the equation.
-11 + 11 + 2r = 0 + 11

Combine like terms: -11 + 11 = 0
0 + 2r = 0 + 11
2r = 0 + 11

Combine like terms: 0 + 11 = 11
2r = 11

Divide each side by '2'.
r = 5.5

Simplifying
r = 5.5

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