7(1+5n)+7(1+4n)=13

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Solution for 7(1+5n)+7(1+4n)=13 equation:


Simplifying
7(1 + 5n) + 7(1 + 4n) = 13
(1 * 7 + 5n * 7) + 7(1 + 4n) = 13
(7 + 35n) + 7(1 + 4n) = 13
7 + 35n + (1 * 7 + 4n * 7) = 13
7 + 35n + (7 + 28n) = 13

Reorder the terms:
7 + 7 + 35n + 28n = 13

Combine like terms: 7 + 7 = 14
14 + 35n + 28n = 13

Combine like terms: 35n + 28n = 63n
14 + 63n = 13

Solving
14 + 63n = 13

Solving for variable 'n'.

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

Add '-14' to each side of the equation.
14 + -14 + 63n = 13 + -14

Combine like terms: 14 + -14 = 0
0 + 63n = 13 + -14
63n = 13 + -14

Combine like terms: 13 + -14 = -1
63n = -1

Divide each side by '63'.
n = -0.01587301587

Simplifying
n = -0.01587301587

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