Home
Class 10
MATHS
Solve : 3a+5b=-9, 2a+5b=-11....

Solve : `3a+5b=-9`, `2a+5b=-11`.

Text Solution

Verified by Experts

`3a+5b=-9`……………………`(1)` `2a+5b=-11` ……`(2)`
Subtracting equation `(2)` from equation `(1)`.
`{:(3a+5b=-9" ...(1)"),(2a+5b=-11" ...(2)"),("- - +"),(bar(""a" "=" "2")):}`
Substituting `a=2` in equation `(1)`.
`3(2)+5b=-9`
`{:( :.6+5b=-9,:.5b=-9-6,:.5b=-15):}`
`{:( :.b=(-15)/(5), :.b=-3):}`
Promotional Banner

Topper's Solved these Questions

  • LINEAR EQUATIONS IN TWO VARIABLES

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise Assignment 1.3|10 Videos

  • LINEAR EQUATIONS IN TWO VARIABLES

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise 1.4 3 marks each|10 Videos

  • LINEAR EQUATIONS IN TWO VARIABLES

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise Assignment 1.2|5 Videos

  • GEOMETRIC CONSTRUCTIONS

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise CHALLENGING QUESTION|4 Videos

  • MENSURATION

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise Assignment 8.5|8 Videos

Similar Questions

Explore conceptually related problems

Solve:- 8a+5b=9 3a+2b=4 .

Solve (2b)/3-5=3

Solve for a and b when 2a+3b=(17)/(5),5a+b=2

Solve: (11)/(a +b) + 2 (a -b) = 11, (22)/(a +b) + 3(a -b) = 17

Solve for a and b : 2^(a) + 3^(b) = 17 and 2^(a+2) - 3^(b+1) = 5

Solve : 5 - 2x lt 11 and 4x - 3 ge 9

If (5+2sqrt(3))/(7+4sqrt(3))=a+bsqrt(3) , then a=-11 , b=-6 (b) a=-11 , b=6 (c) a=11 , b=-6 (d) a=6, b=11