Question

Which of these statements about algebra is true?

A.algebra uses abstracts symbols to represent concrete elements in the real world
B.in an algebraic equation the same variable can represent two different unknowns
C.many great mathematicians were also philosophers.
D. An algebraic expression contains an equal sign but an algebraic equation does not.
E. The same variable can represent two different unknowns in two different algebraic expressions

Answer 1

The answer is E. Hope this helps

Answer 2

the answer is e because the same variable, for example, x, can represent two different unknowns in two different algebraic expressions