An+7=19

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Solution for An+7=19 equation: 


Simplifying
An + 7 = 19

Reorder the terms:
7 + nA = 19

Solving
7 + nA = 19

Solving for variable 'n'.

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

Add '-7' to each side of the equation.
7 + -7 + nA = 19 + -7

Combine like terms: 7 + -7 = 0
0 + nA = 19 + -7
nA = 19 + -7

Combine like terms: 19 + -7 = 12
nA = 12

Divide each side by 'A'.
n = 12A-1

Simplifying
n = 12A-1

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