2(9x+21)=132

Solution for 2(9x+21)=132 equation:

Simplifying
2(9x + 21) = 132

Reorder the terms:
2(21 + 9x) = 132
(21 * 2 + 9x * 2) = 132
(42 + 18x) = 132

Solving
42 + 18x = 132

Solving for variable 'x'.

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

Add '-42' to each side of the equation.
42 + -42 + 18x = 132 + -42

Combine like terms: 42 + -42 = 0
0 + 18x = 132 + -42
18x = 132 + -42

Combine like terms: 132 + -42 = 90
18x = 90

Divide each side by '18'.
x = 5

Simplifying
x = 5