CBSE Class 10 - Substitution Method Videos
Pair of Linear Equations in 2 Variables
Pair of Linear Equations in 2 Variables, Substitution Method
- The value of 'x' and 'y' when x+y=6 and x-y=10 a) (8,-2) b) (-2,8) c) (8,2) d) (2,8)
- 10 students of class 10 took part in a mathematics quiz . if the number of girls is 4 more than the number of boys then ,find find the numbers of boys and number of girls who took part in the quiz
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Ncert solution ex.3.3 Q.no.1.6
- substitution method
- A number consists of two digits whose sum is 7. If 45is added to the number, the digits are reversed.Find the number
- A boys works x+y sums, of which only y- 2z are right; how many are wrong?
- Students of a class are made to stand in a row. If one student is extra in each row, there would be 2 rows less. If one student is less in each row, there would be 3 rows more. Find the number of students in each class.
- Q-Use the method of substitution to solve each other of the pair of simultaneous equation 1} x+4y=-4 and 3y-5x=-1
- Q-Use the method of substitution to solve each other of the pair of simultaneous equation 1} 2x-9y=9 and 5x+2t=27
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Please solve.
