Question

Resposta da C 9x-3(2x+2)=15.

D 2,5(x-2)-1,5x=1

E 3,5x+8=2(x+7)

F 6(3x+2)-8=-2

G -3(x-5)-2(2x-1)=-8

Urgente por favor

Answer 1

Resposta:

c) 9x-6x-6=15

3×=21

×=21/3

×=7

d)2,5x-5-1,5x=1

x=7

e)3,5x-2x=14-8

×=14-8

×=6/1,5

×=4

f)18×+12-8=-3

18×=-9

×=-1/2

g)-3×+15-4×+2=-8

-×=-4-5-2

11=×