Question

subtract the second from the first 2a+b, a-b​

Answer 1

Answer:

a-b-(2a-b)

a-b-2a+b

-2a+a

-a

answer ❤️

Answer 2

Answer:

ɢɪᴠᴇɴ :

ᴛᴏ ꜰɪɴᴅ : ꜱᴜʙᴛʀᴀᴄᴛ ᴛʜᴇ ꜱᴇᴄᴏɴᴅ ᴇxᴘʀᴇꜱꜱɪᴏɴ ꜰʀᴏᴍ ᴛʜᴇ ꜰɪʀꜱᴛ ᴇxᴘʀᴇꜱꜱɪᴏɴ ?

ꜱᴏʟᴜᴛɪᴏɴ :

2ᴀ+ʙ

2ᴀ+ʙ

.

ᴛʜᴇ ꜰɪʀꜱᴛ ᴇxᴘʀᴇꜱꜱɪᴏɴ ɪꜱ  

ᴀ-ʙ

ᴀ-ʙ

.

ᴛʜᴇ ꜱᴇᴄᴏɴᴅ ᴇxᴘʀᴇꜱꜱɪᴏɴ ɪꜱ

ꜱᴜʙᴛʀᴀᴄᴛ ᴛʜᴇ ꜱᴇᴄᴏɴᴅ ᴇxᴘʀᴇꜱꜱɪᴏɴ ꜰʀᴏᴍ ᴛʜᴇ ꜰɪʀꜱᴛ ᴇxᴘʀᴇꜱꜱɪᴏɴ ɪꜱ ɢɪᴠᴇɴ ʙʏ,

ᴇ=(2ᴀ + ʙ ) - ( ᴀ - ʙ )

ᴇ=(2ᴀ + ʙ ) - ( ᴀ - ʙ )

ᴇ=2ᴀ + ʙ-ᴀ+ʙ

ᴇ=2ᴀ + ʙ-ᴀ+ʙ

ᴇ=ᴀ+2ʙ

ᴇ=ᴀ+2ʙ

ᴛʜᴇʀᴇꜰᴏʀᴇ, ꜱᴜʙᴛʀᴀᴄᴛ ᴛʜᴇ ꜱᴇᴄᴏɴᴅ ᴇxᴘʀᴇꜱꜱɪᴏɴ ꜰʀᴏᴍ ᴛʜᴇ ꜰɪʀꜱᴛ ᴇxᴘʀᴇꜱꜱɪᴏɴ ɪꜱ

ᴀ+2ʙ

ᴀ+2ʙ