-3(4+2r)=-28

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Solution for -3(4+2r)=-28 equation: 


Simplifying
-3(4 + 2r) = -28
(4 * -3 + 2r * -3) = -28
(-12 + -6r) = -28

Solving
-12 + -6r = -28

Solving for variable 'r'.

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

Add '12' to each side of the equation.
-12 + 12 + -6r = -28 + 12

Combine like terms: -12 + 12 = 0
0 + -6r = -28 + 12
-6r = -28 + 12

Combine like terms: -28 + 12 = -16
-6r = -16

Divide each side by '-6'.
r = 2.666666667

Simplifying
r = 2.666666667

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