Question

calcula el valor de x + y, si se cumple que: (3x+6)/3=12 y (y+3)/4 +6 =12

Answer 1

(3x + 6)/3 = 12

3(x + 2)/3 = 12

x + 2 = 12

x = 12 - 2

x = 10

(y + 3)/4 + 6 = 12

(y + 3)/4 = 12 - 6

y + 3 = 6 * 4

y = 24 - 3

y = 21

x + y = 10 + 21 = 31