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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 7 - Mathematics
6.23 Equations With Fractional Coefficients - I

Example: Solve the equation (2/3)x = 4.
Solution:
The unknown quantity x is on the L.H.S. and is multiplyed by 2/3. Inverse operation of multiplication is division.
Therefore divide both sides by 2/3 i.e., multiply both sides with 3/2.
(2/3)x * 3/2 = 4 * 3/2
x = 6

Verification:
Substitute x = 6 in the equation
L.H.S. (2/3)x 2/3 * 6 = 2*2 = 4 = R.H.S.
\x = 6 is the solution.


Directions:Solve the following equations. Also write at least ten examples of your own.
Q 1: Solve the equation 6x/3 = 8.
3
4
6

Q 2: Solve the equation 4x/3 = 8.
4
3
6

Q 3: Solve the equation 7x/2 = 7.
2
7
7/2

Q 4: Solve the equation 8x/4 = 4.
3
6
2

Q 5: Solve the equation 4x/5 = 6.
15
15/2
2

Q 6: Solve the equation 4x/3 = 5.
15/4
4
15

Question 7: This question is available to subscribers only!

Question 8: This question is available to subscribers only!


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