91=7(3n-5)

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Solution for 91=7(3n-5) equation:


Simplifying
91 = 7(3n + -5)

Reorder the terms:
91 = 7(-5 + 3n)
91 = (-5 * 7 + 3n * 7)
91 = (-35 + 21n)

Solving
91 = -35 + 21n

Solving for variable 'n'.

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

Add '-21n' to each side of the equation.
91 + -21n = -35 + 21n + -21n

Combine like terms: 21n + -21n = 0
91 + -21n = -35 + 0
91 + -21n = -35

Add '-91' to each side of the equation.
91 + -91 + -21n = -35 + -91

Combine like terms: 91 + -91 = 0
0 + -21n = -35 + -91
-21n = -35 + -91

Combine like terms: -35 + -91 = -126
-21n = -126

Divide each side by '-21'.
n = 6

Simplifying
n = 6

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