Question

Resolva :
Exemplo
a ) -x-9
x = -9

b) -x = - 2

c ) -7x = 14

d ) -3x = 10

e ) -5x = -12

f ) -4x = 8

g ) -3x = -9

h ) -5x = 15

i ) -2x = - 10

j ) 15 = -3

k ) -40 = -5x

Answer 1

j) 18
k) x = 40/5  x = 8
e) x = 12/5
f) x = 8/-4  x = -2 

faz o resto

Answer 2

b) x = 2
c) x = -2
d) x = -10/3
e) x = 12/5
f) x = -2
g) x = 3
h) x = -3
i) x = 5
k) x = 8