What is expressions in maths?

Answer 1

A mathematical expression is a mathematical phrase that consist numbers variables and signs of operation

example:

x(variable) + 5(number)=7

so the value of x is 2

-Kennethn 10 yrs. old :]

Answer 2

An expression is a collection of numbers and letters

for example

2a this is an expression

2a+5b this is also an expression

Answer 3

an expression is a sum without an equals sign

e.g: 2x+4y

Answer 4

jesus