-3p=-p + 7 and 3p = 3q + 15 bye elimination method
Answers
Answered by
1
Answer:
- 3p = - p + 7
- 3p + p = 7
- 2p = 7
p = -3.5
3q = 3q + 15
3q - 3q = 15
q = 0
Answered by
0
Step-by-step explanation:
- 3p + p = 7
=》 - 2p = 7
=》 p = - 7/2 = -3.5
put the value of p in second equation
3p = 3q +15
3 × (-3.5) = 3q + 15
=》 -10.5 - 15 = 3 q
=》 3q = - 25.5
=》 q = - 8.5 Ans
Similar questions