-6(3+r)=12

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Solution for -6(3+r)=12 equation: 


Simplifying
-6(3 + r) = 12
(3 * -6 + r * -6) = 12
(-18 + -6r) = 12

Solving
-18 + -6r = 12

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 = 12 + 18

Combine like terms: -18 + 18 = 0
0 + -6r = 12 + 18
-6r = 12 + 18

Combine like terms: 12 + 18 = 30
-6r = 30

Divide each side by '-6'.
r = -5

Simplifying
r = -5

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