102=3r-3(6r+1)

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Solution for 102=3r-3(6r+1) equation:


Simplifying
102 = 3r + -3(6r + 1)

Reorder the terms:
102 = 3r + -3(1 + 6r)
102 = 3r + (1 * -3 + 6r * -3)
102 = 3r + (-3 + -18r)

Reorder the terms:
102 = -3 + 3r + -18r

Combine like terms: 3r + -18r = -15r
102 = -3 + -15r

Solving
102 = -3 + -15r

Solving for variable 'r'.

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

Add '15r' to each side of the equation.
102 + 15r = -3 + -15r + 15r

Combine like terms: -15r + 15r = 0
102 + 15r = -3 + 0
102 + 15r = -3

Add '-102' to each side of the equation.
102 + -102 + 15r = -3 + -102

Combine like terms: 102 + -102 = 0
0 + 15r = -3 + -102
15r = -3 + -102

Combine like terms: -3 + -102 = -105
15r = -105

Divide each side by '15'.
r = -7

Simplifying
r = -7

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