ADDITION AND SUBTRACTION EQUATIONS WORKSHEETS

About "Addition and subtraction equations worksheets"

Addition and subtraction equations worksheets :

Worksheets on addition and subtraction equations  are much useful to the students who would like to practice problems on solving simple equations. 

Addition and subtraction equations worksheets - Problems

1.  Solve for x :  x + 7  =  8

2.  Solve for y :  y - 3  =  2

3. When 7 is added to a number, we get 25. Find the number. 

4.  John had some candies. He gave 5 candies to his friend and now he has 18 candies. How many candies did John initially have ? 

5. The sum of two numbers 22.5. If one number is 7.5, find the other number. 

Addition and subtraction equations worksheets in pdf 

Please click the below links to download worksheets on addition and subtraction equations. 

Worksheet -1

Worksheet -2

Worksheet -3

Worksheet -4

Addition and subtraction equations worksheets - Solution

Problem 1 :

Solve for x :  x + 7  =  8

Solution :

x + 7  =  8

Since we are trying to solve for "x", we have to get rid of 7 which is added to "x".

To get rid of 7, we have to take -7 on both sides. 

aaaaaaaaaaaaaaaaaaaaaaax + 7  =  8 aaaaaaaaaaaaaaaaaaaaaaaaa- 7aa- 7 aaaaaaaaaaaaaaaaaaaaaa------------- aaaaaaaaaaaaaaaaaaaaaaax        =  1 aaaaaaaaaaaaaaaaaaaaaa-------------

Hence, the value of "x" is 1.

Problem 2 :

Solve for y :  y - 3  =  2

Solution :

y - 3  =  2

Since we are trying to solve for "y", we have to get rid of 3 which is subtracted from "y".

To get rid of 3, we have to take +3 on both sides. 

aaaaaaaaaaaaaaaaaaaaaay - 3  =  2                 aaaaaaaaaaaaaaaaaaaaaaaa + 3       + 3                                 aaaaaaaaaaaaaaaaaaaaa-----------------                               aaaaaaaaaaaaaaaaaaaaaay            =   5                                 aaaaaaaaaaaaaaaaaaaaa-----------------

Hence, the value of "y" is 5.

Problem 3 :

When 7 is added to a number, we get 25. Find the number. 

Solution : 

Let "x' be the required number. 

According to the question, we have

x + 7  =  25

Here "7" is added to "x". To get rid of 7, we have to subtract 7 on both sides and solve the equation as explained below.  

(x + 7) - 7  =  (25) - 7

x  =  18

Hence, the required number is "18".

Problem 4 :

John had some candies. He gave 5 candies to his friend and now he has 18 candies. How many candies did John initially have ? 

Solution : 

Let "m' be the no. of candies that John initially had. 

According to the question, we have

m - 5   =  18

Here "5" is subtracted from "m". To get rid of 5, we have to add 5 on both sides and solve the equation as explained below.  

(m - 5) + 5  =  18 + 5

m  =  23

Hence, John initially had 23 candies.

Problem 5 :

The sum of two numbers 22.5. If one number is 7.5, find the other number. 

Solution : 

Let "x' be the other number. 

According to the question, we have

x + 7.5   =  22.5

Here "7.5" is added to "x". To get rid of 7.5, we have to subtract 7.5 on both sides and solve the equation as explained below.  

(x + 7.5) - 7.5  =  22.5 - 7.5

x  =  15

Hence, the other number is 15.

After having gone through the stuff given above, we hope that the students would have understood "Addition and subtraction equations worksheets". 

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