Odpowiedź :
3 1/3x + 8= 4 2/5x-8
10/3x +8 = 22/5x-8 /x15
50x+120=66x-120
50x-66x= -120-120
-16x=-240 //16
x=15
prosze :)
10/3x +8 = 22/5x-8 /x15
50x+120=66x-120
50x-66x= -120-120
-16x=-240 //16
x=15
prosze :)
Odpowiedź:
b)
3 1/3x + 8 = 4 2/5x - 8
10x/3 + 8 = 22x/5 - 8 | * 15
10x * 5 + 8 * 15 = 22x * 3 - 8 * 15
50x + 120 = 66x - 120
50x - 66x = - 120 - 120
- 16x = - 240
16x = 240
x = 240/16 = 15