Question

equação a) -×=9 b)-×=-2 c)-7×=14 d-5×=-12 e)-4×=8

Answer 1

a) -x=9
x=-9

b) -x=-2x(-1)
x=2

c) -7x=14

x=14/-7=-2

d)-5x=-12
x=-12/-5

x=12/5

-4x=8
x=8/-4

x=-2