Jyiatolbert23 Jyiatolbert23
  • 25-02-2021
  • Mathematics
contestada

2. X-5 = 13
1. x + 7 = 21
4. x/7= 15
3. 4x = 48

Respuesta :

Zthornton Zthornton
  • 25-02-2021
1. X+7=21
-7 -7
X=14
2. X-5=13
+5 +5
X=18
3. 4x=48
— —
4 4
X=12
4. 7(X/7)=(15)7
X=105
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