Question

Define linear equations in three variables​

Answer 1

Step-by-step explanation:

Linear equations in three variables. If a, b, c and r are real numbers (and if a, b, and c are not all equal to 0) then ax + by + cz = r is called a linear equation in three variables.

Answer 2

Answer:

Hii,

Step-by-step explanation:

ʟɪɴᴇᴀʀ ᴇϙᴜᴀᴛɪᴏɴs ɪɴ ᴛʜʀᴇᴇ ᴠᴀʀɪᴀʙʟᴇs. ɪғ ᴀ, ʙ, ᴄ ᴀɴᴅ ʀ ᴀʀᴇ ʀᴇᴀʟ ɴᴜᴍʙᴇʀs (ᴀɴᴅ ɪғ ᴀ, ʙ, ᴀɴᴅ ᴄ ᴀʀᴇ ɴᴏᴛ ᴀʟʟ ᴇϙᴜᴀʟ ᴛᴏ 0) ᴛʜᴇɴ ᴀx + ʙʏ + ᴄᴢ = ʀ ɪs ᴄᴀʟʟᴇᴅ ᴀ ʟɪɴᴇᴀʀ ᴇϙᴜᴀᴛɪᴏɴ ɪɴ ᴛʜʀᴇᴇ ᴠᴀʀɪᴀʙʟᴇs. (ᴛʜᴇ “ᴛʜʀᴇᴇ ᴠᴀʀɪᴀʙʟᴇs” ᴀʀᴇ ᴛʜᴇ x, ᴛʜᴇ ʏ, ᴀɴᴅ ᴛʜᴇ ᴢ.) ᴛʜᴇ ɴᴜᴍʙᴇʀs ᴀ, ʙ, ᴀɴᴅ ᴄ ᴀʀᴇ ᴄᴀʟʟᴇᴅ ᴛʜᴇ ᴄᴏᴇғғɪᴄɪᴇɴᴛs ᴏғ ᴛʜᴇ ᴇϙᴜᴀᴛɪᴏɴ.

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