Question

Find the value of k; if x = 3, y = 1 is a solution of the equation 5x + ky = 9.​

Answer 1

ɢɪᴠᴇɴ, ᴇǫᴜᴀᴛɪᴏɴ ɪs 5x + 2ᴋʏ = 3ᴋ.

ᴏɴ ᴘᴜᴛᴛɪɴɢ x =1 ᴀɴᴅ ʏ =1 ɪɴ ᴛʜɪs ᴇǫᴜᴀᴛɪᴏɴ, ᴡᴇ ɢᴇᴛ

5(1) + 2ᴋ(1) =3ᴋ ⇒ 5 + 2ᴋ =3ᴋ

⇒ 5 = 3ᴋ - 2ᴋ ⇒ ᴋ = 5

ʜᴇɴᴄᴇ, ʀᴇǫᴜɪʀᴇᴅ ᴠᴀʟᴜᴇ ᴏғ ᴋ ɪs 5.

ʜᴏᴘᴇ ɪᴛ's ʜᴇʟᴘғᴜʟ..☺️

Answer 2

Step-by-step explanation:

putting value of x,y in equation

5×3+k×1=9

15+k=9

k=9-15

k=-6 ans

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