Question

44) Resolva as equações:
a) 7x = 28
b) x/8 = 2
c) 3x/4 = 5
d) -4x = 11
e) -7x = -15
f) -7/2x = 8

Answer 1

a)7x=28
x=28/7
x=4
b)x/8=4
x=4.8
x=32
c)3x/4=5
3x=5.4
3x=20
x=20/3
d)-4x=11
x=11/-4
e)-7x=15
x=15/-7
f)-7/2x=8
2x=8×-7
2x=-56
x=56/2
x=28
(espero ter ajudado✌