Question

Resolva As Equações:
a) x/3 = 7
b) x/4 = - 3
c) 2x/5 = 4
d) 2x/3 = - 10
e) 3x/4 = 30
f) 2x/5 = - 18

Answer 1

a. x=7.3=21
B. x=-3.4=-12
c. 2x=4.5=20
x=20/2=10
d. 2x=-10.3=-30
x=-30/2=-15
e. 3x=120
x=120/3=40
f. 2x=-18.5=-90
2x=-90/2=-45