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Friday, September 11, 2020

LINEAR EQUATIONS IN TWO VARIABLES 1

 

1. The sum of two numbers is 137 and their difference is 43. Find the numbers.

2. The sum of the numerator and denominator of a fraction is 8. If 3 is added to the both numerator and denominator the fraction becomes 3/4. find the fraction.

3. Solve 2x + 5y = 17, 5x + 3y = 14 by substitution method

4. 10x + 3y = 75 & 6x – 5y = 11 by substitution method

5. Solve the following equations graphically. X + 2y = 5, 2x – 3y = -4 and also find the points where these lines meet the x axis.

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