An=x+(30-1)3x

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Solution for An=x+(30-1)3x equation: 


Simplifying
An = x + (30 + -1) * 3x

Combine like terms: 30 + -1 = 29
nA = x + (29) * 3x

Multiply 29 * 3
nA = x + 87x

Combine like terms: x + 87x = 88x
nA = 88x

Solving
nA = 88x

Solving for variable 'n'.

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

Divide each side by 'A'.
n = 88xA-1

Simplifying
n = 88xA-1

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