5(3+4n)-(7n-1)=3

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Solution for 5(3+4n)-(7n-1)=3 equation:


Simplifying
5(3 + 4n) + -1(7n + -1) = 3
(3 * 5 + 4n * 5) + -1(7n + -1) = 3
(15 + 20n) + -1(7n + -1) = 3

Reorder the terms:
15 + 20n + -1(-1 + 7n) = 3
15 + 20n + (-1 * -1 + 7n * -1) = 3
15 + 20n + (1 + -7n) = 3

Reorder the terms:
15 + 1 + 20n + -7n = 3

Combine like terms: 15 + 1 = 16
16 + 20n + -7n = 3

Combine like terms: 20n + -7n = 13n
16 + 13n = 3

Solving
16 + 13n = 3

Solving for variable 'n'.

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

Add '-16' to each side of the equation.
16 + -16 + 13n = 3 + -16

Combine like terms: 16 + -16 = 0
0 + 13n = 3 + -16
13n = 3 + -16

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

Divide each side by '13'.
n = -1

Simplifying
n = -1

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