5+0.5(2r-8)=12

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Solution for 5+0.5(2r-8)=12 equation: 


Simplifying
5 + 0.5(2r + -8) = 12

Reorder the terms:
5 + 0.5(-8 + 2r) = 12
5 + (-8 * 0.5 + 2r * 0.5) = 12
5 + (-4 + 1r) = 12

Combine like terms: 5 + -4 = 1
1 + 1r = 12

Solving
1 + 1r = 12

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 = 12 + -1

Combine like terms: 1 + -1 = 0
0 + 1r = 12 + -1
1r = 12 + -1

Combine like terms: 12 + -1 = 11
1r = 11

Divide each side by '1'.
r = 11

Simplifying
r = 11

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