Respuesta :
Simplifying
12(x + 20) = 372
Reorder the terms:
12(20 + x) = 372
(20 * 12 + x * 12) = 372
(240 + 12x) = 372
Solving 240 + 12x = 372
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-240' to each side of the equation.
240 + -240 + 12x = 372 + -240
Combine like terms:
240 + -240 = 0
0 + 12x = 372 + -240
12x = 372 + -240
Combine like terms: 372 + -240 = 132
12x = 132
Divide each side by '12'.
x = 11
Reorder the terms:
12(20 + x) = 372
(20 * 12 + x * 12) = 372
(240 + 12x) = 372
Solving 240 + 12x = 372
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-240' to each side of the equation.
240 + -240 + 12x = 372 + -240
Combine like terms:
240 + -240 = 0
0 + 12x = 372 + -240
12x = 372 + -240
Combine like terms: 372 + -240 = 132
12x = 132
Divide each side by '12'.
x = 11