Two solutions are (3, 0) and (0, -7). Substituting y = 0 gives 7x = 21, so x = 3. Substituting x = 0 gives -3y = 21, so y = -7. Class 9 Maths Ganita Manjari Part 2 chapter 13 ...
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Yes, (4, 3) is a solution. Substituting x = 4 and y = 3 into 5x – 6y gives 5(4) – 6(3) = 20 – 18 = 2, which equals the right-hand side, satisfying the equation. Ganita Manjari part 2 Chapter ...
Yes, this is a correct representation. The combined total runs scored by both batsmen is 176. Adding the individual runs x and y gives the linear equation in two variables, x + y = 176. Class 9 Ganita Manjari Part 2 ...
Charlie’s representation t = 2p is correct. Since the cost of a notebook is twice that of a pen, the notebook price t must equal two times the pen price p. Meera’s equation is incorrect. Cbse Class 9 Maths Ganita Manjari ...
The standard form of a linear equation in two variables is ax + by + c = 0. Substituting a = 2, b = 5 and c = 10 gives 2x + 5y + 10 = 0. Class 9 Ganita Manjari ...