Question

A) -7x=-15
B) - 7/2x = 8
C) -4x=11
Quanto fica?

Answer 1

a) X=-15+7
x= -8
b) n sei
c) x=15

Answer 2

a) -7x = - 15
x = 15/7

b) - 7/2x = 8

2x . 8 = - 7

16x = - 7

x = -7/16

c) -4x = 11
x = -11/4