Question

Resolva as equações, considerando U=Q.

c)5x-2=-3x+7+
d)9-x+2=1500
g)-4x+13-2x=3x-11
h)5x-x+12=-5+2x
Pfv me ajudem. Eu nn consegui fazer essas.​

Answer 1

Resposta:

c)5x-2= -3x+7

5x+3x= 7+2

7x= 9

x= 9/3

d)9-x+2=1500

x=1500+9-2

x=1507

h)5x-x+12=-5+2x

5x-x-2x= 12-5

2x= 7

x= 7/2

só sei essas ;-;