-8=11-r

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Solution for -8=11-r equation: 


Simplifying
-8 = 11 + -1r

Solving
-8 = 11 + -1r

Solving for variable 'r'.

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

Add 'r' to each side of the equation.
-8 + r = 11 + -1r + r

Combine like terms: -1r + r = 0
-8 + r = 11 + 0
-8 + r = 11

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

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

Combine like terms: 11 + 8 = 19
r = 19

Simplifying
r = 19

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