18=3(4n-3)+3(8n-7)

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Solution for 18=3(4n-3)+3(8n-7) equation: 


Simplifying
18 = 3(4n + -3) + 3(8n + -7)

Reorder the terms:
18 = 3(-3 + 4n) + 3(8n + -7)
18 = (-3 * 3 + 4n * 3) + 3(8n + -7)
18 = (-9 + 12n) + 3(8n + -7)

Reorder the terms:
18 = -9 + 12n + 3(-7 + 8n)
18 = -9 + 12n + (-7 * 3 + 8n * 3)
18 = -9 + 12n + (-21 + 24n)

Reorder the terms:
18 = -9 + -21 + 12n + 24n

Combine like terms: -9 + -21 = -30
18 = -30 + 12n + 24n

Combine like terms: 12n + 24n = 36n
18 = -30 + 36n

Solving
18 = -30 + 36n

Solving for variable 'n'.

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

Add '-36n' to each side of the equation.
18 + -36n = -30 + 36n + -36n

Combine like terms: 36n + -36n = 0
18 + -36n = -30 + 0
18 + -36n = -30

Add '-18' to each side of the equation.
18 + -18 + -36n = -30 + -18

Combine like terms: 18 + -18 = 0
0 + -36n = -30 + -18
-36n = -30 + -18

Combine like terms: -30 + -18 = -48
-36n = -48

Divide each side by '-36'.
n = 1.333333333

Simplifying
n = 1.333333333

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