-5(2-r)=20

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Solution for -5(2-r)=20 equation:


Simplifying
-5(2 + -1r) = 20
(2 * -5 + -1r * -5) = 20
(-10 + 5r) = 20

Solving
-10 + 5r = 20

Solving for variable 'r'.

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

Add '10' to each side of the equation.
-10 + 10 + 5r = 20 + 10

Combine like terms: -10 + 10 = 0
0 + 5r = 20 + 10
5r = 20 + 10

Combine like terms: 20 + 10 = 30
5r = 30

Divide each side by '5'.
r = 6

Simplifying
r = 6

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