10(n-1)+18=7(n+3-1)

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Solution for 10(n-1)+18=7(n+3-1) equation:


Simplifying
10(n + -1) + 18 = 7(n + 3 + -1)

Reorder the terms:
10(-1 + n) + 18 = 7(n + 3 + -1)
(-1 * 10 + n * 10) + 18 = 7(n + 3 + -1)
(-10 + 10n) + 18 = 7(n + 3 + -1)

Reorder the terms:
-10 + 18 + 10n = 7(n + 3 + -1)

Combine like terms: -10 + 18 = 8
8 + 10n = 7(n + 3 + -1)

Reorder the terms:
8 + 10n = 7(3 + -1 + n)

Combine like terms: 3 + -1 = 2
8 + 10n = 7(2 + n)
8 + 10n = (2 * 7 + n * 7)
8 + 10n = (14 + 7n)

Solving
8 + 10n = 14 + 7n

Solving for variable 'n'.

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

Add '-7n' to each side of the equation.
8 + 10n + -7n = 14 + 7n + -7n

Combine like terms: 10n + -7n = 3n
8 + 3n = 14 + 7n + -7n

Combine like terms: 7n + -7n = 0
8 + 3n = 14 + 0
8 + 3n = 14

Add '-8' to each side of the equation.
8 + -8 + 3n = 14 + -8

Combine like terms: 8 + -8 = 0
0 + 3n = 14 + -8
3n = 14 + -8

Combine like terms: 14 + -8 = 6
3n = 6

Divide each side by '3'.
n = 2

Simplifying
n = 2

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