-91=6(3r-3)-1

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Solution for -91=6(3r-3)-1 equation:


Simplifying
-91 = 6(3r + -3) + -1

Reorder the terms:
-91 = 6(-3 + 3r) + -1
-91 = (-3 * 6 + 3r * 6) + -1
-91 = (-18 + 18r) + -1

Reorder the terms:
-91 = -18 + -1 + 18r

Combine like terms: -18 + -1 = -19
-91 = -19 + 18r

Solving
-91 = -19 + 18r

Solving for variable 'r'.

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

Add '-18r' to each side of the equation.
-91 + -18r = -19 + 18r + -18r

Combine like terms: 18r + -18r = 0
-91 + -18r = -19 + 0
-91 + -18r = -19

Add '91' to each side of the equation.
-91 + 91 + -18r = -19 + 91

Combine like terms: -91 + 91 = 0
0 + -18r = -19 + 91
-18r = -19 + 91

Combine like terms: -19 + 91 = 72
-18r = 72

Divide each side by '-18'.
r = -4

Simplifying
r = -4

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