Q1 Find a value of k ,so that x= -1 and y=-1 is a solution of the linear equation 9kx + 12ky = 63.
Q.2 Find a value of p for which x = -2, y = -1 is solution of the linear equation 5x + 2py = 2p.
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Answered by
2
here is your answer mate
Attachments:
AnujaC:
then y to multiply?
dude
answer is 5
nor 5√2
y??
ok
r u sure
yes dude
it's 5
ok
Answered by
0
Answer:
put x=-1 and y=-1 in the 1st equation to get k
and x=-2 and y=-1 in equation 2 to get p
Step-by-step explanation:
Equation 1:-
9k(-1)+12k(-1)=63
-9k - 12k =63
-21k = 63
k = -3
Equation 2:-
5(-2)+2p(-1)=2p
-10 - 2p =2p
-10 = 2p+2p
-10= 4p
p= -10/4
p=-5/2
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