2(r-4)=5

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Solution for 2(r-4)=5 equation: 


Simplifying
2(r + -4) = 5

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

Solving
-8 + 2r = 5

Solving for variable 'r'.

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

Add '8' to each side of the equation.
-8 + 8 + 2r = 5 + 8

Combine like terms: -8 + 8 = 0
0 + 2r = 5 + 8
2r = 5 + 8

Combine like terms: 5 + 8 = 13
2r = 13

Divide each side by '2'.
r = 6.5

Simplifying
r = 6.5

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