Simultaneous (Linear) Equations [Including Problems] | ICSE Mathematics Class 9 | Ex 6B | Part III
ICSE
Selina
Concise Mathematics Class 9
Chapter 6. Simultaneous (Linear) Equations [Including Problems]
Exercise 6 (B) Method of elimination by equating coefficients
Part 3 - Questions 7, 8 & 9
For solving each pair of equations, in this exercise, use the method of elimination by equating coefficients.
Q7. 3 – (x – 5) – y _ 2
2x + y =3(x – 4)
Q8. 2x – 3y – 3 = 0
2x/3 _4y +1/2 = 0
Q9. 13x + 11y = 70
11x + 13y = 74
Below are the video links for chapters.
Exercise 3 (C) Part I
• Compound Interest (Using Formula) | ICSE M...
Exercise 3 (C) Part II
• Compound Interest (Using Formula) | ICSE M...
Exercise 3 (C) Part III
• Compound Interest (Using Formula) | ICSE M...
Other exercises in this chapter • Compound Interest using Formula | Class 9 ...
For March 2021 examination of class 9
Standard IX Revised syllabus. 2020-21
For March 2021 examination of class IX