Question

Vă rog, 7 Probleme care se rezolvă cu ajutorul ecuatiilor!!

ex. 11-x=6
x=-11-6
x=5​

Answer 1

Răspuns:

5x=15•8

5x=120/ :5

x=24

8x=145•5

8x= 720 /:8

x=90

2x=3•60

2x=180/:2

x=90

3x=2•60

3x=120/:3

x=40

18x=12•6

18x=72/:18

x=4

15•4=20x

60=20x/:20

3=x

x=3

5x=15/:5

x=3

spor!!