20x+5+21x+1=180

Solution for 20x+5+21x+1=180 equation:

Simplifying
20x + 5 + 21x + 1 = 180

Reorder the terms:
5 + 1 + 20x + 21x = 180

Combine like terms: 5 + 1 = 6
6 + 20x + 21x = 180

Combine like terms: 20x + 21x = 41x
6 + 41x = 180

Solving
6 + 41x = 180

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 41x = 180 + -6

Combine like terms: 6 + -6 = 0
0 + 41x = 180 + -6
41x = 180 + -6

Combine like terms: 180 + -6 = 174
41x = 174

Divide each side by '41'.
x = 4.243902439

Simplifying
x = 4.243902439