Question

cine ma poate ajuta repede plsssss:
3x+4x=35
5x+x-2x=36
2x+3=x+8
3x-2=x+12

Answer 1

Răspuns:

3x+4x=35 =>7x=35 =>x=35:7 =>=5

4x=36 =>x=36:4 =>x=9

2x-x=8-3 =>x=5

3x-x=12+2 =>2x=14 =>x=7

Answer 2

Răspuns:

3x+4x=35

7x=35

x=5

5x+x-2x=36

4x=36

x=9

2x+3=x+8

2x-x=8-3

x=5

3x-2=x+12

3x-x=12+2

2x=14

x=7