-6(-2-5r)=102

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Solution for -6(-2-5r)=102 equation: 


Simplifying
-6(-2 + -5r) = 102
(-2 * -6 + -5r * -6) = 102
(12 + 30r) = 102

Solving
12 + 30r = 102

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 + 30r = 102 + -12

Combine like terms: 12 + -12 = 0
0 + 30r = 102 + -12
30r = 102 + -12

Combine like terms: 102 + -12 = 90
30r = 90

Divide each side by '30'.
r = 3

Simplifying
r = 3

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