Question

4x+3=_1
5

2x=_10
3

me ajuda responder essas duas equações ai​

Answer 1

ᴏʟᴀ́,ʙᴏᴀ ɴᴏɪᴛᴇ!!

sᴇ ᴏ 5 ᴇsᴛɪᴠᴇʀ ᴇᴍʙᴀɪxᴏ 1, ᴇ ᴏ 3 ᴇᴍʙᴀɪxᴏ ᴅᴏ 10. ᴏ ᴄᴀ́ʟᴄᴜʟᴏ ғɪᴄᴀ ᴀssɪᴍ:

4x+3=1/5 (ғᴀᴢ ᴍᴇɪᴏs ᴘᴇʟᴏs ᴇxᴛʀᴇᴍᴏs ᴏᴜ ᴛɪʀᴀ ᴏ ᴍᴍᴄ)

20x+15=1

20x=1-15

x=-14/20 (sɪᴍᴘʟɪғɪᴄᴀ ᴘᴏʀ 2)

x=-7/10

ᴏ ᴄᴀ́ʟᴄᴜʟᴏ ᴅᴀ sᴇɢᴜɴᴅᴀ ᴇϙᴜᴀᴄ̧ᴀ̃ᴏ ғɪᴄᴀ ᴀssɪᴍ:

2x=10/3 (ғᴀᴢ ᴍᴇɪᴏs ᴘᴇʟᴏs ᴏs ᴇsᴛʀᴇᴍᴏs)

6x=10

x=10/6 (sɪᴍᴘʟɪғɪᴄᴀ ᴘᴏʀ 2)

x=5/3

ᴇsᴘᴇʀᴏ ᴛᴇʀ ᴀᴊᴜᴅᴀᴅᴏ!

ʙᴏɴs ᴇsᴛᴜᴅᴏs!

Answer 2

Resposta:

a)

$4x + 3 = \frac{1}{5} \\ \\ 5(4x + 3) = 1 \\ \\ 20x + 15 = 1 \\ \\ 20x = 1 - 15 \\ \\ 20x = - 14 \\ \\ x = - \frac{14}{20} \\ \\ x = - \frac{7}{10}$

b)

$2x = \frac{10}{3} \\ \\ 6x = 10 \\ \\ x = \frac{10}{6} \\ \\ x = \frac{5}{3}$