Question

Solve the pair of equations 3x – 2y = 4 and x – 4y = 18, using substitution method.

Answer 1

Answer:

jdhdh

Step-by-step explanation:

dnjdid2 1 1 (32)5 x (4) 2 x (8)3 2-2 + (64)-1/3

Answer 2

3x-2y=4

3x =4+2y

x= 4+2y/3. -------(eqn. 1)

x-4y=18----------(eqn.2)

by both equations

4+2y/3 -4y -18 = 0

-12y+4+2y/3 =18

-10y+4=18(3)

-10y=54-4

y =50/-10

y =-5

now substitute value of y in 2nd eqn.

x=4+2y/3

x=4+(-10)/3

x=-6/3

x=-2

so x=-2 and y=-5

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