Question

2x-5y+4=0
2x+y-8=0
By cross multiplication

Answer 1

Answer:

2x-5ʏ+4=0

2x+ʏ-8=0 (Yᴏᴜ ᴄᴀɴ ᴄᴀɴᴄᴇʟ ᴛʜᴇ ᴢᴇʀᴏ)

Step-by-step explanation:

2x-5ʏ=4.......(1)

2x+ʏ=8.........(2)

ʙʏ ᴇʟɪᴍᴀᴛɪᴏɴ ᴍᴇᴛʜᴏᴅ

ᴍᴜʟᴛɪᴘʟʏɪɴɢ 5 ɪɴ ᴇǫᴜᴀᴛɪᴏɴ( 2) ᴡᴇ ɢᴇᴛ

5×2x-5×ʏ=5×8

10x-5ʏ=40........(3)

2x-5ʏ=4........(4)

ᴄᴀɴᴄᴇʟ (5ʏ)

12x=36

x=36\12

x=3

sᴜʙsɪᴛᴜᴛɪɴɢ x=3ɪɴ ᴇǫᴜᴀᴛɪᴏɴ (1)

3×2x-5ʏ=4

6-5ʏ=4(ᴀᴅᴅɪɴɢ)

5ʏ=4+6

5ʏ=10

ʏ=2

(x,ʏ)=(3,2) ᴀʀᴇ ᴛʜᴇ sᴏʟᴜᴛɪᴏɴ ᴏᴅ ᴛʜᴇ ɢɪᴠᴇɴ ᴇǫᴜᴀᴛɪᴏɴ

..

ɪ ʜᴏᴘᴇ ɪᴛ ᴡɪʟʟ ʙᴇ ᴛʜᴇ ᴄᴏʀʀᴇᴄᴛ ᴀɴsᴡᴇʀ

Answer 2

Answer:

2x-5ʏ+4=0

2x+ʏ-8=0 (Yᴏᴜ ᴄᴀɴ ᴄᴀɴᴄᴇʟ ᴛʜᴇ ᴢᴇʀᴏ)

Step-by-step explanation:

2x-5ʏ=4.......(1)

2x+ʏ=8.........(2)

ʙʏ ᴇʟɪᴍᴀᴛɪᴏɴ ᴍᴇᴛʜᴏᴅ

ᴍᴜʟᴛɪᴘʟʏɪɴɢ 5 ɪɴ ᴇǫᴜᴀᴛɪᴏɴ( 2) ᴡᴇ ɢᴇᴛ

5×2x-5×ʏ=5×8

10x-5ʏ=40........(3)

2x-5ʏ=4........(4)

ᴄᴀɴᴄᴇʟ (5ʏ)

12x=36

x=36\12

x=3

sᴜʙsɪᴛᴜᴛɪɴɢ x=3ɪɴ ᴇǫᴜᴀᴛɪᴏɴ (1)

3×2x-5ʏ=4

6-5ʏ=4(ᴀᴅᴅɪɴɢ)

5ʏ=4+6

5ʏ=10

ʏ=2

(x,ʏ)=(3,2) ᴀʀᴇ ᴛʜᴇ sᴏʟᴜᴛɪᴏɴ ᴏᴅ ᴛʜᴇ ɢɪᴠᴇɴ ᴇǫᴜᴀᴛɪᴏɴ

..

ɪ ʜᴏᴘᴇ ɪᴛ ᴡɪʟʟ ʙᴇ ᴛʜᴇ ᴄᴏʀʀᴇᴄᴛ ᴀɴsᴡᴇʀ