Question

Determine whether the following is an expression or an equation.

3x +5-2= 12x
Choose the correct answer below.
A. The statement is an equation because there is no equality symbol.
B. The statement is an expression because there is no equality symbol.
C. The statement is an equation because there is an equality symbol.
D. The statement is an expression because there is an equality symbol.

Answer 1

C. The statement is an equation because there is an equality symbol.

Explanation:

Equation:

Combination of terms joined by the sign minus, plus, multiplication, and division and has equality sign.

Example

5x+45=-5

Term:

A Numbers. (Only)

Example:

9

Combination of a number and a variable joined by multiplication or division.

Example:

9x, 6ab, 10n

Variable:

a symbol that is written with a number or a term.

6ab

Expression:

Terms joined by the sign plus or minus

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