3(7n)=2n-4

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Solution for 3(7n)=2n-4 equation:


Simplifying
3(7n) = 2n + -4

Remove parenthesis around (7n)
3 * 7n = 2n + -4

Multiply 3 * 7
21n = 2n + -4

Reorder the terms:
21n = -4 + 2n

Solving
21n = -4 + 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
21n + -2n = -4 + 2n + -2n

Combine like terms: 21n + -2n = 19n
19n = -4 + 2n + -2n

Combine like terms: 2n + -2n = 0
19n = -4 + 0
19n = -4

Divide each side by '19'.
n = -0.2105263158

Simplifying
n = -0.2105263158

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