1-r=.5

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Solution for 1-r=.5 equation: 


Simplifying
1 + -1r = 0.5

Solving
1 + -1r = 0.5

Solving for variable 'r'.

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

Add '-1' to each side of the equation.
1 + -1 + -1r = 0.5 + -1

Combine like terms: 1 + -1 = 0
0 + -1r = 0.5 + -1
-1r = 0.5 + -1

Combine like terms: 0.5 + -1 = -0.5
-1r = -0.5

Divide each side by '-1'.
r = 0.5

Simplifying
r = 0.5

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