9(n-5)+8(n+4)=38

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Solution for 9(n-5)+8(n+4)=38 equation:


Simplifying
9(n + -5) + 8(n + 4) = 38

Reorder the terms:
9(-5 + n) + 8(n + 4) = 38
(-5 * 9 + n * 9) + 8(n + 4) = 38
(-45 + 9n) + 8(n + 4) = 38

Reorder the terms:
-45 + 9n + 8(4 + n) = 38
-45 + 9n + (4 * 8 + n * 8) = 38
-45 + 9n + (32 + 8n) = 38

Reorder the terms:
-45 + 32 + 9n + 8n = 38

Combine like terms: -45 + 32 = -13
-13 + 9n + 8n = 38

Combine like terms: 9n + 8n = 17n
-13 + 17n = 38

Solving
-13 + 17n = 38

Solving for variable 'n'.

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

Add '13' to each side of the equation.
-13 + 13 + 17n = 38 + 13

Combine like terms: -13 + 13 = 0
0 + 17n = 38 + 13
17n = 38 + 13

Combine like terms: 38 + 13 = 51
17n = 51

Divide each side by '17'.
n = 3

Simplifying
n = 3

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