Respuesta :
Answer:
5) 7
6) 14
7) 31
Step-by-step explanation:
5) 5a-4=2a+17
3a=21
a=7
6) 2(7)=14
7) 2(7)+17=31
4. C
5. 2a + 17 = 5a - 4
- 3a = - 21
a = 7
6. XY = 2(7) = 14
7. XZ = 5(7) - 4
= 31
Answer:
5) 7
6) 14
7) 31
Step-by-step explanation:
5) 5a-4=2a+17
3a=21
a=7
6) 2(7)=14
7) 2(7)+17=31
4. C
5. 2a + 17 = 5a - 4
- 3a = - 21
a = 7
6. XY = 2(7) = 14
7. XZ = 5(7) - 4
= 31