3=7(4-2n)-6n

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Solution for 3=7(4-2n)-6n equation:


Simplifying
3 = 7(4 + -2n) + -6n
3 = (4 * 7 + -2n * 7) + -6n
3 = (28 + -14n) + -6n

Combine like terms: -14n + -6n = -20n
3 = 28 + -20n

Solving
3 = 28 + -20n

Solving for variable 'n'.

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

Add '20n' to each side of the equation.
3 + 20n = 28 + -20n + 20n

Combine like terms: -20n + 20n = 0
3 + 20n = 28 + 0
3 + 20n = 28

Add '-3' to each side of the equation.
3 + -3 + 20n = 28 + -3

Combine like terms: 3 + -3 = 0
0 + 20n = 28 + -3
20n = 28 + -3

Combine like terms: 28 + -3 = 25
20n = 25

Divide each side by '20'.
n = 1.25

Simplifying
n = 1.25

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