138=6(5r-2)

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Solution for 138=6(5r-2) equation:


Simplifying
138 = 6(5r + -2)

Reorder the terms:
138 = 6(-2 + 5r)
138 = (-2 * 6 + 5r * 6)
138 = (-12 + 30r)

Solving
138 = -12 + 30r

Solving for variable 'r'.

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

Add '-30r' to each side of the equation.
138 + -30r = -12 + 30r + -30r

Combine like terms: 30r + -30r = 0
138 + -30r = -12 + 0
138 + -30r = -12

Add '-138' to each side of the equation.
138 + -138 + -30r = -12 + -138

Combine like terms: 138 + -138 = 0
0 + -30r = -12 + -138
-30r = -12 + -138

Combine like terms: -12 + -138 = -150
-30r = -150

Divide each side by '-30'.
r = 5

Simplifying
r = 5

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