5x+2y=8 find equation has x=2,y=-1
Answers
Answered by
1
Answer:
10-2=8
Step-by-step explanation:
5x + 2y = 8
5×2 +2×-1=8
10-2=8
Answered by
2
Answer:
- 5x+2y=8
- put x=2, y=-1
- 5×2+(2×-1)=8
- 10+(-2) =8
- 10-2=8
- 8=8
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