-6(3-r)=30

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Solution for -6(3-r)=30 equation: 


Simplifying
-6(3 + -1r) = 30
(3 * -6 + -1r * -6) = 30
(-18 + 6r) = 30

Solving
-18 + 6r = 30

Solving for variable 'r'.

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

Add '18' to each side of the equation.
-18 + 18 + 6r = 30 + 18

Combine like terms: -18 + 18 = 0
0 + 6r = 30 + 18
6r = 30 + 18

Combine like terms: 30 + 18 = 48
6r = 48

Divide each side by '6'.
r = 8

Simplifying
r = 8

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