-3(n-6)=13(n-4)+7

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Solution for -3(n-6)=13(n-4)+7 equation:


Simplifying
-3(n + -6) = 13(n + -4) + 7

Reorder the terms:
-3(-6 + n) = 13(n + -4) + 7
(-6 * -3 + n * -3) = 13(n + -4) + 7
(18 + -3n) = 13(n + -4) + 7

Reorder the terms:
18 + -3n = 13(-4 + n) + 7
18 + -3n = (-4 * 13 + n * 13) + 7
18 + -3n = (-52 + 13n) + 7

Reorder the terms:
18 + -3n = -52 + 7 + 13n

Combine like terms: -52 + 7 = -45
18 + -3n = -45 + 13n

Solving
18 + -3n = -45 + 13n

Solving for variable 'n'.

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

Add '-13n' to each side of the equation.
18 + -3n + -13n = -45 + 13n + -13n

Combine like terms: -3n + -13n = -16n
18 + -16n = -45 + 13n + -13n

Combine like terms: 13n + -13n = 0
18 + -16n = -45 + 0
18 + -16n = -45

Add '-18' to each side of the equation.
18 + -18 + -16n = -45 + -18

Combine like terms: 18 + -18 = 0
0 + -16n = -45 + -18
-16n = -45 + -18

Combine like terms: -45 + -18 = -63
-16n = -63

Divide each side by '-16'.
n = 3.9375

Simplifying
n = 3.9375

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