Respuesta :
1/5(5x + 12) = 18
1/5(5x) +1/5(12) = 18
x + 12/5 = 18
x = 18 - 12/5
x = 90/5 - 12/5
x = 78/5
answer is a. 78/5
1/5(5x) +1/5(12) = 18
x + 12/5 = 18
x = 18 - 12/5
x = 90/5 - 12/5
x = 78/5
answer is a. 78/5