CBSE Class 10 - Substitution Method Videos
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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.
- 2x+3y=12, 2x+3y=6
- 13d+16g=6 & 32d+25g=30solve
