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MEAP Preparation - Grade 5 Mathematics
1.23 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: 64=16n
Answer:

Q 2: 91=13p
Answer:

Q 3: 3x - x = x + 9
Answer:

Q 4: 5x - 3x + x + 8 = 2x + 1 + x + x
Answer:

Q 5: 125=25r
Answer:

Q 6: 39=13a
Answer:

Q 7: 15 + _____ = 20
Answer:

Q 8: 3x + 2x = 10
Answer:

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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