دایی د)2=ر 22
3(3y +4)=2(2y+1
Answers
ʏ = -2
Step-by-step explanation:
ꜱɪᴍᴘʟɪꜰʏɪɴɢ
3(3ʏ + 4) = 2(2ʏ + 1)
ʀᴇᴏʀᴅᴇʀ ᴛʜᴇ ᴛᴇʀᴍꜱ:
3(4 + 3ʏ) = 2(2ʏ + 1)
(4 * 3 + 3ʏ * 3) = 2(2ʏ + 1)
(12 + 9ʏ) = 2(2ʏ + 1)
ʀᴇᴏʀᴅᴇʀ ᴛʜᴇ ᴛᴇʀᴍꜱ:
12 + 9ʏ = 2(1 + 2ʏ)
12 + 9ʏ = (1 * 2 + 2ʏ * 2)
12 + 9ʏ = (2 + 4ʏ)
ꜱᴏʟᴠɪɴɢ
12 + 9ʏ = 2 + 4ʏ
ꜱᴏʟᴠɪɴɢ ꜰᴏʀ ᴠᴀʀɪᴀʙʟᴇ 'ʏ'.
ᴍᴏᴠᴇ ᴀʟʟ ᴛᴇʀᴍꜱ ᴄᴏɴᴛᴀɪɴɪɴɢ ʏ ᴛᴏ ᴛʜᴇ ʟᴇꜰᴛ, ᴀʟʟ ᴏᴛʜᴇʀ ᴛᴇʀᴍꜱ ᴛᴏ ᴛʜᴇ ʀɪɢʜᴛ.
ᴀᴅᴅ '-4ʏ' ᴛᴏ ᴇᴀᴄʜ ꜱɪᴅᴇ ᴏꜰ ᴛʜᴇ ᴇQᴜᴀᴛɪᴏɴ.
12 + 9ʏ + -4ʏ = 2 + 4ʏ + -4ʏ
ᴄᴏᴍʙɪɴᴇ ʟɪᴋᴇ ᴛᴇʀᴍꜱ: 9ʏ + -4ʏ = 5ʏ
12 + 5ʏ = 2 + 4ʏ + -4ʏ
ᴄᴏᴍʙɪɴᴇ ʟɪᴋᴇ ᴛᴇʀᴍꜱ: 4ʏ + -4ʏ = 0
12 + 5ʏ = 2 + 0
12 + 5ʏ = 2
ᴀᴅᴅ '-12' ᴛᴏ ᴇᴀᴄʜ ꜱɪᴅᴇ ᴏꜰ ᴛʜᴇ ᴇQᴜᴀᴛɪᴏɴ.
12 + -12 + 5ʏ = 2 + -12
ᴄᴏᴍʙɪɴᴇ ʟɪᴋᴇ ᴛᴇʀᴍꜱ: 12 + -12 = 0
0 + 5ʏ = 2 + -12
5ʏ = 2 + -12
ᴄᴏᴍʙɪɴᴇ ʟɪᴋᴇ ᴛᴇʀᴍꜱ: 2 + -12 = -10
5ʏ = -10
ᴅɪᴠɪᴅᴇ ᴇᴀᴄʜ ꜱɪᴅᴇ ʙʏ '5'.
ʏ = -2
ꜱɪᴍᴘʟɪꜰʏɪɴɢ
ʏ = -2
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