7(1+3n)-4=102

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Solution for 7(1+3n)-4=102 equation:


Simplifying
7(1 + 3n) + -4 = 102
(1 * 7 + 3n * 7) + -4 = 102
(7 + 21n) + -4 = 102

Reorder the terms:
7 + -4 + 21n = 102

Combine like terms: 7 + -4 = 3
3 + 21n = 102

Solving
3 + 21n = 102

Solving for variable 'n'.

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

Add '-3' to each side of the equation.
3 + -3 + 21n = 102 + -3

Combine like terms: 3 + -3 = 0
0 + 21n = 102 + -3
21n = 102 + -3

Combine like terms: 102 + -3 = 99
21n = 99

Divide each side by '21'.
n = 4.714285714

Simplifying
n = 4.714285714

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