Question

ecercitiul 2, a 2a si a 3a coloana, va rog!!​

Answer 1

Răspuns:

-2x+5=11

-2x=6

x=-3

2x-3=x+2

x=5

3x-8=x+4

2x=12

x=6

5x-9=3x+1

2x=10

x=5

5x+6=-14

5x=-20

x=-4

3x+2=x-6

2x=-8

x=-4

3x-11=x-23

2x=-12

x=-6

4x-3=-x+17

5x=20

x=4