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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 5 - Mathematics
13.2 Solving for X

While solving an equation, the variables are kept on one side and the numbers are transferred to the other side of the equation.

Example:
a + 2a + 7 - 5 = 10
Solution:
Adding like terms:
a + 2a + 7 - 5 = 10
3a + 7 - 5 = 10
3a + 7 - 5 = 10
3a + 2 = 10
Adding -2 to both sides of the equation we get:
3a + 2 -2 = 10 -2
3a = 8
Dividing both sides of the equation by 3 we get:
3a/3 = 8/3
a = 8/3

Note:
If we perform some operation on one side of the equation, the same operation should be performed on the other side of the equation as well.


Directions: Find the value of the variable in each question. Also write at least 10 examples of equations of your own and solve for the variable.
Q 1: 125=25r
Answer:

Q 2: 2(x + 3) = 10
Answer:

Q 3: x + 4 = 2x + 3
Answer:

Q 4: 12f=120
Answer:

Q 5: 7p=77
Answer:

Q 6: 4x - 2x + 4 = x + 10
Answer:

Q 7: 5x - 3x + x + 8 = 2x + 1 + x + x
Answer:

Q 8: 12 + _____ = 12
Answer:

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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