3(78-20)=n

Solution for 3(78-20)=n equation:

Simplifying
3(78 + -20) = n

Combine like terms: 78 + -20 = 58
3(58) = n

Multiply 3 * 58
174 = n

Solving
174 = n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
174 + -1n = n + -1n

Combine like terms: n + -1n = 0
174 + -1n = 0

Add '-174' to each side of the equation.
174 + -174 + -1n = 0 + -174

Combine like terms: 174 + -174 = 0
0 + -1n = 0 + -174
-1n = 0 + -174

Combine like terms: 0 + -174 = -174
-1n = -174

Divide each side by '-1'.
n = 174

Simplifying
n = 174