-13+80=(2-4n)(-9)

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Solution for -13+80=(2-4n)(-9) equation:


Simplifying
-13 + 80 = (2 + -4n)(-9)

Combine like terms: -13 + 80 = 67
67 = (2 + -4n)(-9)

Reorder the terms for easier multiplication:
67 = -9(2 + -4n)
67 = (2 * -9 + -4n * -9)
67 = (-18 + 36n)

Solving
67 = -18 + 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.
67 + -36n = -18 + 36n + -36n

Combine like terms: 36n + -36n = 0
67 + -36n = -18 + 0
67 + -36n = -18

Add '-67' to each side of the equation.
67 + -67 + -36n = -18 + -67

Combine like terms: 67 + -67 = 0
0 + -36n = -18 + -67
-36n = -18 + -67

Combine like terms: -18 + -67 = -85
-36n = -85

Divide each side by '-36'.
n = 2.361111111

Simplifying
n = 2.361111111

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