Question

solve the equation x-2=7​

Answer 1

Step-by-step explanation:

$x - 2 = 7 \\ x = 7 + 2 \\ x = 9$

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Answer 2

$\dagger\mathbb\blue{ Answer }$

$\longmapsto\mathtt{ x - 2 = 7 }$

$\longmapsto\mathtt{ x = 7 + 2 }$ 【 ᴛʀᴀɴsᴘᴏʀᴛɪɴɢ ᴀɴʏ ᴠᴀʟᴜᴇ ᴛᴏ ᴏᴛʜᴇʀ sɪᴅᴇ , ᴛʜᴇɪʀ sɪɢɴ ᴄʜᴀɴɢᴇs. 】

$\longmapsto\mathtt{ x = 9 }$

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$\dagger\mathbb\blue{Verification}$

$\longmapsto\mathtt{ 9 - 2 = 7 }$

$\longmapsto\mathtt{ 7 = 7 }$

$\longmapsto\mathtt{L.H.S = R.H.S}$

$\mathrm{Hence,\:\: verified}$