Question

THEMA
MULTANEOUS LINEAR EQUATIONS IN TWO VARIABLES
Sol. The given equations are
2x + 3y - 9 = 0
3x + 4y - 5=10
Write the coefficients as under:
3
3
XXX
4
4
Then, by the rule of cross-multiplication
3x(-
х
1
у
-15+ 36 -27 +10 8-9
21=-
--| x= -21 - 1
= -1 = y =
Hence, the solution of the given pair of linear
EXERC
WO
1. If (5, k) is a solution of the equation 2x + y - 7
=0, find the value of k.
(ICSE)
Solve the following simultaneous equations :
2. x + y = 5, x - y = 3​

Answer 1

Answer:

so the given equation answer is 2 - 3 + 36 point x + Y equal to 5 so the answer is 36