3(4-7n)=75

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Solution for 3(4-7n)=75 equation: 


Simplifying
3(4 + -7n) = 75
(4 * 3 + -7n * 3) = 75
(12 + -21n) = 75

Solving
12 + -21n = 75

Solving for variable 'n'.

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

Add '-12' to each side of the equation.
12 + -12 + -21n = 75 + -12

Combine like terms: 12 + -12 = 0
0 + -21n = 75 + -12
-21n = 75 + -12

Combine like terms: 75 + -12 = 63
-21n = 63

Divide each side by '-21'.
n = -3

Simplifying
n = -3

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