Basic mathematics is taught in grade institution while colleges and also universities room taught progressed mathematical principles such together expression and equation.

You are watching: Difference between an equation and an expression

The lesson gives a comprehensive insight right into the difference between expression and equation with instances for easier understanding.

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What Is an Expression?

An expression is a mathematical expression that combines numbers, variables, and also operators to indicate something.

An expression can be arithmetic, algebraic, polynomial, and analytical. It does not contain an equal sign. Instances of expressions space 9x + 2, x – 9, 3p + 5, 4m + 10

What Is an Equation?

An equation is a mathematical declare where two expressions are equated to each other. An equation can either be a problem or identity.


The conditional equation is wherein the equality of 2 expressions is true for a definite worth of the variable involved. The identity equation is whereby the equality is true for all the values hosted by the variable.

Main varieties of Equation


Cubic Equation such together 9x3 + 2x2 + 4x -3 = 13Quadratic Equation such as 2x2 + 7x + 13 = 0Linear Equation such together 3x + 13 = 8x – 2Simultaneous linear Equation make up of two straight equations such together 3x + 2y = 5, 5x + 3y = 7

Comparison Chart: Expression Vs Equation

Basic TermsExpressionEquation
DefinitionThe mathematical expression that has variables, numbers, and also operator to indicate somethingMathematical statement making up of two expressions collection equal to every other
What is it?A sentence fragment that represents a single numerical value.

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A explain that reflects equality between two expressions
ResultSimplificationSolution
Relation symbolNoYes equal sign
SidesOne-sidedTwo side
AnswerNumerical valueAn assertion
Example10x – 2(9x + 15)14x – 10= 38

Core Differences in between Expression and also Equation In allude Form 

Expressions space incomplete mathematical phrases if equations are complete mathematical statements.Equations often tend to have solutions at the end unlike expressionsExpressions have the right to be simplified while equations have the right to be solvedExpressions do not have equal sign while equation has actually an equal signThe expression does not show any relationship if the equation reflects the relationship between two sides.Expressions have actually one next whereas equations have actually two sidesExample of expression is A+2A if equation is A+2A=3A

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Comparison Video

Summary

Expressions and also equations room quite usual when discovering some common concepts of math not in grade college level.

The difference in between expression and equation listed in the guide over will assist you get knowledge in mathematics concepts