10r-11=8r+19

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Solution for 10r-11=8r+19 equation:


Simplifying
10r + -11 = 8r + 19

Reorder the terms:
-11 + 10r = 8r + 19

Reorder the terms:
-11 + 10r = 19 + 8r

Solving
-11 + 10r = 19 + 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 = 19 + 8r + -8r

Combine like terms: 10r + -8r = 2r
-11 + 2r = 19 + 8r + -8r

Combine like terms: 8r + -8r = 0
-11 + 2r = 19 + 0
-11 + 2r = 19

Add '11' to each side of the equation.
-11 + 11 + 2r = 19 + 11

Combine like terms: -11 + 11 = 0
0 + 2r = 19 + 11
2r = 19 + 11

Combine like terms: 19 + 11 = 30
2r = 30

Divide each side by '2'.
r = 15

Simplifying
r = 15

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