Question

X-3 supra 2 - 2x+3 supra 3 = 7x-3 supra 12​

Answer 1

Răspuns:

3(x-3)-2(2x+3) supra 6=7x-3 supra 12

3x-9-4x-6 supra 6= 7x-3 supra 12

-x-15/ 6=7x-3 supra 12

2(-x-15)=7x-3

-2x-30= 7x-3

-2x-7x=30-3

-9x=27

x= -27/9

x= -3