Question

1- Responda:

a)2.(7×+2)+12(×+11)=2

b)-2.(×-3)=18

c)3.(2×-5)=9-2×​

Answer 1

b) -2(x-3)=18

-2x+6=18

-2x=18-6

-2x = 12/-2x

x = 6

c) 3(2x-5)=9-2x

6x-15=9-2x

6x+2x=9+15

8x. = 24

= 24/8x

x= 3