91=7(2n+3)

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Solution for 91=7(2n+3) equation:


Simplifying
91 = 7(2n + 3)

Reorder the terms:
91 = 7(3 + 2n)
91 = (3 * 7 + 2n * 7)
91 = (21 + 14n)

Solving
91 = 21 + 14n

Solving for variable 'n'.

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

Add '-14n' to each side of the equation.
91 + -14n = 21 + 14n + -14n

Combine like terms: 14n + -14n = 0
91 + -14n = 21 + 0
91 + -14n = 21

Add '-91' to each side of the equation.
91 + -91 + -14n = 21 + -91

Combine like terms: 91 + -91 = 0
0 + -14n = 21 + -91
-14n = 21 + -91

Combine like terms: 21 + -91 = -70
-14n = -70

Divide each side by '-14'.
n = 5

Simplifying
n = 5

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