143=9n+8(n+3)

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Solution for 143=9n+8(n+3) equation:


Simplifying
143 = 9n + 8(n + 3)

Reorder the terms:
143 = 9n + 8(3 + n)
143 = 9n + (3 * 8 + n * 8)
143 = 9n + (24 + 8n)

Reorder the terms:
143 = 24 + 9n + 8n

Combine like terms: 9n + 8n = 17n
143 = 24 + 17n

Solving
143 = 24 + 17n

Solving for variable 'n'.

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

Add '-17n' to each side of the equation.
143 + -17n = 24 + 17n + -17n

Combine like terms: 17n + -17n = 0
143 + -17n = 24 + 0
143 + -17n = 24

Add '-143' to each side of the equation.
143 + -143 + -17n = 24 + -143

Combine like terms: 143 + -143 = 0
0 + -17n = 24 + -143
-17n = 24 + -143

Combine like terms: 24 + -143 = -119
-17n = -119

Divide each side by '-17'.
n = 7

Simplifying
n = 7

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