#### A PHP Error was encountered

Severity: Warning

Message: count(): Parameter must be an array or an object that implements Countable

Filename: controllers/calculator.php

Line Number: 37

Algebra Calculator online - Online Calculator - Tutorpace

# Algebra Calculator online

## Online Tutoring Is The Easiest, Most Cost-Effective Way For Students To Get The Help They Need Whenever They Need It.

#### SIGN UP FOR A FREE TRIAL

Algebra is an important section in math which involves finding the value of any given algebraic expression using various numerical operations like addition, subtraction, multiplication or division. Algebra online calculator is the tool which can evaluate an algebraic expression to find its values.

Example 1: Find the value of the given algebraic expression, 2x2 – 3x+ 9 when the ‘x’ value is 4

Given algebraic expression: 2x2 – 3x+ 9

And given x = 4  Substituting ‘x’ as ‘4’ in the above given expression, we get

2(4)2 – 3(4) + 9

2(16) – 12 + 9

32 – 12 + 9

20 + 9 = 29

Hence the value of the given expression when x = 4 is, 29.

Example 2: Given the algebraic expression, 4x + 6y – 3z = 14 when x = 2, and y=3. Find the value of ‘z’.

Given algebraic expression 4x + 6y – 3z = 14

Since x = 2 and y = 3, hence substitute them in the above equation!

4(2) + 6(3) – 3z = 14

8+18–3z=14

26–3z=14

Solving for ‘z’, subtract ‘26’ on both sides

-3z =14–26  -3z = -12

Dividing ‘-3’ on both sides of the equation

z = -12/-3 z = 4