Question

Just a little question. please give content quality Answer ☺☠⛷⛹‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍☝✌✋✊✍‍❤❣⛑☘⛰⛲⛽⛵✈⏳⏰⏲☀☁⛅⛈☂☔⛱⚡❄☃⛄☄☄✨⚽⚽⚾⛳⛳⛸♠♥♥♣♦☎⌨✉✒✏✂⛏⚒⚔⚒⚙⛓⚗⚰⚱♿⛔☢☣⬆↗➡↕↖↘⬅↙⬇↔↩↪⤴⤵⚛☦♾✝☯☸✡☪☮♈♉♊♋♌♍♎♏♐♑♒▶♓⛎⛎⏩⏭⏯◀⏪⏮⏫⏬⏸⏹⏺⏏♀♂⚕♻⚜⭕✅☑✔✖❌✳〽➿➰➗➗➕✴❇‼⁉❔❕❗〰©®™#⃣*⃣6⃣5⃣4⃣3⃣2⃣1⃣0⃣7⃣8⃣9⃣ⓂⓂℹ㊗◻▫◽◾⬜◾◾⬛

Answer 1

hope this helps you☺☺☺☺

Answer 2

For infinite solution,
a1)a2=b1/b2=c1/c2
so,
k/20=5/k=-(k-5)/-k
=>k²=100 and. 5/k=k-5/5
=>k=10 and 25=k²-5k
now,
k²-5k-25=0
solution of this is not possible so,
k=10

hope this helps :-)