Question

what should be added to 2/5 to get -2

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Answer 1

Answer:

☞︎︎︎ ɢɪᴠᴇɴ :

• ɴᴜᴍʙᴇʀ = $\frac{<strong>2</strong>}{<strong>5</strong>}$

• sᴜᴍ ᴏғ ᴛᴡᴏ ɴᴜᴍʙᴇʀ = ( -2 )

☞︎︎︎ ᴛᴏ ғɪɴᴅ :

• sᴇᴄᴏɴᴅ ɴᴜᴍʙᴇʀ = ?

ʟᴇᴛ , 2ɴᴅ ɴᴜᴍʙᴇʀ ʙᴇ x .

☞︎︎︎ sᴏʟᴜᴛɪᴏɴ :

➪ [tex]\frac{2}{5} + x = - 2[/tex]

➪ [tex]x = -2 - \frac{2}{5}[/tex]

➪ [tex]x = \frac{-10 - 2}{5}[/tex]

➪ [tex]x = \frac{-12}{5}[/tex]

︎︎︎ ʜᴇɴᴄᴇ , [tex]\frac{-12}{5}[/tex] sʜᴏᴜʟᴅ ʙᴇ ᴀᴅᴅᴇᴅ ᴛᴏ [tex]\frac{2}{5}[/tex] ᴛᴏ ɢᴇᴛ -2 .