3(x+2)-20=42

Solution for 3(x+2)-20=42 equation:

Simplifying
3(x + 2) + -20 = 42

Reorder the terms:
3(2 + x) + -20 = 42
(2 * 3 + x * 3) + -20 = 42
(6 + 3x) + -20 = 42

Reorder the terms:
6 + -20 + 3x = 42

Combine like terms: 6 + -20 = -14
-14 + 3x = 42

Solving
-14 + 3x = 42

Solving for variable 'x'.

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

Add '14' to each side of the equation.
-14 + 14 + 3x = 42 + 14

Combine like terms: -14 + 14 = 0
0 + 3x = 42 + 14
3x = 42 + 14

Combine like terms: 42 + 14 = 56
3x = 56

Divide each side by '3'.
x = 18.66666667

Simplifying
x = 18.66666667