3(2n+7)-8(n-9)=

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Solution for 3(2n+7)-8(n-9)= equation:


Simplifying
3(2n + 7) + -8(n + -9) = 0

Reorder the terms:
3(7 + 2n) + -8(n + -9) = 0
(7 * 3 + 2n * 3) + -8(n + -9) = 0
(21 + 6n) + -8(n + -9) = 0

Reorder the terms:
21 + 6n + -8(-9 + n) = 0
21 + 6n + (-9 * -8 + n * -8) = 0
21 + 6n + (72 + -8n) = 0

Reorder the terms:
21 + 72 + 6n + -8n = 0

Combine like terms: 21 + 72 = 93
93 + 6n + -8n = 0

Combine like terms: 6n + -8n = -2n
93 + -2n = 0

Solving
93 + -2n = 0

Solving for variable 'n'.

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

Add '-93' to each side of the equation.
93 + -93 + -2n = 0 + -93

Combine like terms: 93 + -93 = 0
0 + -2n = 0 + -93
-2n = 0 + -93

Combine like terms: 0 + -93 = -93
-2n = -93

Divide each side by '-2'.
n = 46.5

Simplifying
n = 46.5

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