5(n-3)+7(3n-7)=14

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Solution for 5(n-3)+7(3n-7)=14 equation:


Simplifying
5(n + -3) + 7(3n + -7) = 14

Reorder the terms:
5(-3 + n) + 7(3n + -7) = 14
(-3 * 5 + n * 5) + 7(3n + -7) = 14
(-15 + 5n) + 7(3n + -7) = 14

Reorder the terms:
-15 + 5n + 7(-7 + 3n) = 14
-15 + 5n + (-7 * 7 + 3n * 7) = 14
-15 + 5n + (-49 + 21n) = 14

Reorder the terms:
-15 + -49 + 5n + 21n = 14

Combine like terms: -15 + -49 = -64
-64 + 5n + 21n = 14

Combine like terms: 5n + 21n = 26n
-64 + 26n = 14

Solving
-64 + 26n = 14

Solving for variable 'n'.

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

Add '64' to each side of the equation.
-64 + 64 + 26n = 14 + 64

Combine like terms: -64 + 64 = 0
0 + 26n = 14 + 64
26n = 14 + 64

Combine like terms: 14 + 64 = 78
26n = 78

Divide each side by '26'.
n = 3

Simplifying
n = 3

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