Question

Sendo y= 1-2x/3 ,determine o valor de c de modo que y = -5

Answer 1

y = 1 -2x /3
-5 = 1-2x/3
-15= 1 -2x
-2x = -15 -1 *(-1)
2x = 16
x = 16 / 2
x = 8