7(3n+7)-4=6n

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Solution for 7(3n+7)-4=6n equation:


Simplifying
7(3n + 7) + -4 = 6n

Reorder the terms:
7(7 + 3n) + -4 = 6n
(7 * 7 + 3n * 7) + -4 = 6n
(49 + 21n) + -4 = 6n

Reorder the terms:
49 + -4 + 21n = 6n

Combine like terms: 49 + -4 = 45
45 + 21n = 6n

Solving
45 + 21n = 6n

Solving for variable 'n'.

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

Add '-6n' to each side of the equation.
45 + 21n + -6n = 6n + -6n

Combine like terms: 21n + -6n = 15n
45 + 15n = 6n + -6n

Combine like terms: 6n + -6n = 0
45 + 15n = 0

Add '-45' to each side of the equation.
45 + -45 + 15n = 0 + -45

Combine like terms: 45 + -45 = 0
0 + 15n = 0 + -45
15n = 0 + -45

Combine like terms: 0 + -45 = -45
15n = -45

Divide each side by '15'.
n = -3

Simplifying
n = -3

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