Question

Check

Identify each as an equation or and expression.
21x-13 +11
Equations
Expressions
x= 2x+5
-3.7x-13
12x + 5
12x = 5 + 3
3x + 1 = -2.1

Answer 1

Explanation:

An equation contains a sign equality (=) between two expressions.

And an expression is a simple algebraic statement.

By these definitions,

Equations Expressions

x = 2x + 5 21x - 13 + 11x

`(1)/(2)x=5+3` -3.7x - 13

3x + 1 = -2.1
`(1)/(2)x+5`