ALGEBRA Class - VI: ALGEBRA Class - VI By SHER SINGH TGT (Maths), KV ITARANA,ALWARDefinitions: Definitions Variable ??? A variable is a letter or symbol that represents a number (unknown quantity). 8 + n = 12Definitions: Definitions A variable can use any letter of the alphabet. n + 5 x ??? 7 w - 25Definitions: Definitions Algebraic expression ??? a group of numbers, symbols, and variables that ex