Respostas

2013-10-20T22:29:51-02:00
Y = 4x - 3

y = 0,75

0,75 = 4x - 3
4x = 3,75
x = 3,75 / 4 = 0,9375
2013-10-20T22:35:45-02:00
Y=4x -3         y=0.75

0.75=4x-3
-4x=-3.075 .(-1)
x=3.075 / 4 = 0.76875