108=6(7r-6)-6r

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Solution for 108=6(7r-6)-6r equation:


Simplifying
108 = 6(7r + -6) + -6r

Reorder the terms:
108 = 6(-6 + 7r) + -6r
108 = (-6 * 6 + 7r * 6) + -6r
108 = (-36 + 42r) + -6r

Combine like terms: 42r + -6r = 36r
108 = -36 + 36r

Solving
108 = -36 + 36r

Solving for variable 'r'.

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

Add '-36r' to each side of the equation.
108 + -36r = -36 + 36r + -36r

Combine like terms: 36r + -36r = 0
108 + -36r = -36 + 0
108 + -36r = -36

Add '-108' to each side of the equation.
108 + -108 + -36r = -36 + -108

Combine like terms: 108 + -108 = 0
0 + -36r = -36 + -108
-36r = -36 + -108

Combine like terms: -36 + -108 = -144
-36r = -144

Divide each side by '-36'.
r = 4

Simplifying
r = 4

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