9(n-5)-8(n+4)=19(2)

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Solution for 9(n-5)-8(n+4)=19(2) equation:


Simplifying
9(n + -5) + -8(n + 4) = 19(2)

Reorder the terms:
9(-5 + n) + -8(n + 4) = 19(2)
(-5 * 9 + n * 9) + -8(n + 4) = 19(2)
(-45 + 9n) + -8(n + 4) = 19(2)

Reorder the terms:
-45 + 9n + -8(4 + n) = 19(2)
-45 + 9n + (4 * -8 + n * -8) = 19(2)
-45 + 9n + (-32 + -8n) = 19(2)

Reorder the terms:
-45 + -32 + 9n + -8n = 19(2)

Combine like terms: -45 + -32 = -77
-77 + 9n + -8n = 19(2)

Combine like terms: 9n + -8n = 1n
-77 + 1n = 19(2)

Multiply 19 * 2
-77 + 1n = 38

Solving
-77 + 1n = 38

Solving for variable 'n'.

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

Add '77' to each side of the equation.
-77 + 77 + 1n = 38 + 77

Combine like terms: -77 + 77 = 0
0 + 1n = 38 + 77
1n = 38 + 77

Combine like terms: 38 + 77 = 115
1n = 115

Divide each side by '1'.
n = 115

Simplifying
n = 115

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