3(n-14)-7(n-18)=2

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Solution for 3(n-14)-7(n-18)=2 equation:


Simplifying
3(n + -14) + -7(n + -18) = 2

Reorder the terms:
3(-14 + n) + -7(n + -18) = 2
(-14 * 3 + n * 3) + -7(n + -18) = 2
(-42 + 3n) + -7(n + -18) = 2

Reorder the terms:
-42 + 3n + -7(-18 + n) = 2
-42 + 3n + (-18 * -7 + n * -7) = 2
-42 + 3n + (126 + -7n) = 2

Reorder the terms:
-42 + 126 + 3n + -7n = 2

Combine like terms: -42 + 126 = 84
84 + 3n + -7n = 2

Combine like terms: 3n + -7n = -4n
84 + -4n = 2

Solving
84 + -4n = 2

Solving for variable 'n'.

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

Add '-84' to each side of the equation.
84 + -84 + -4n = 2 + -84

Combine like terms: 84 + -84 = 0
0 + -4n = 2 + -84
-4n = 2 + -84

Combine like terms: 2 + -84 = -82
-4n = -82

Divide each side by '-4'.
n = 20.5

Simplifying
n = 20.5

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