-6(4-r)=30

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Solution for -6(4-r)=30 equation: 


Simplifying
-6(4 + -1r) = 30
(4 * -6 + -1r * -6) = 30
(-24 + 6r) = 30

Solving
-24 + 6r = 30

Solving for variable 'r'.

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

Add '24' to each side of the equation.
-24 + 24 + 6r = 30 + 24

Combine like terms: -24 + 24 = 0
0 + 6r = 30 + 24
6r = 30 + 24

Combine like terms: 30 + 24 = 54
6r = 54

Divide each side by '6'.
r = 9

Simplifying
r = 9

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