(4*3-5)*3-20=o

Solution for (4*3-5)*3-20=o equation:

Simplifying
(4 * 3 + -5) * 3 + -20 = o

Multiply 4 * 3
(12 + -5) * 3 + -20 = o

Combine like terms: 12 + -5 = 7
(7) * 3 + -20 = o

Multiply 7 * 3
21 + -20 = o

Combine like terms: 21 + -20 = 1
1 = o

Solving
1 = o

Solving for variable 'o'.

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

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

Combine like terms: o + -1o = 0
1 + -1o = 0

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

Combine like terms: 1 + -1 = 0
0 + -1o = 0 + -1
-1o = 0 + -1

Combine like terms: 0 + -1 = -1
-1o = -1

Divide each side by '-1'.
o = 1

Simplifying
o = 1