7(3n+1)=9(5n+2)+4

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Solution for 7(3n+1)=9(5n+2)+4 equation:


Simplifying
7(3n + 1) = 9(5n + 2) + 4

Reorder the terms:
7(1 + 3n) = 9(5n + 2) + 4
(1 * 7 + 3n * 7) = 9(5n + 2) + 4
(7 + 21n) = 9(5n + 2) + 4

Reorder the terms:
7 + 21n = 9(2 + 5n) + 4
7 + 21n = (2 * 9 + 5n * 9) + 4
7 + 21n = (18 + 45n) + 4

Reorder the terms:
7 + 21n = 18 + 4 + 45n

Combine like terms: 18 + 4 = 22
7 + 21n = 22 + 45n

Solving
7 + 21n = 22 + 45n

Solving for variable 'n'.

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

Add '-45n' to each side of the equation.
7 + 21n + -45n = 22 + 45n + -45n

Combine like terms: 21n + -45n = -24n
7 + -24n = 22 + 45n + -45n

Combine like terms: 45n + -45n = 0
7 + -24n = 22 + 0
7 + -24n = 22

Add '-7' to each side of the equation.
7 + -7 + -24n = 22 + -7

Combine like terms: 7 + -7 = 0
0 + -24n = 22 + -7
-24n = 22 + -7

Combine like terms: 22 + -7 = 15
-24n = 15

Divide each side by '-24'.
n = -0.625

Simplifying
n = -0.625

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