Question

Solve the equation mathematically 3x -2y =4 and 5x -2y =0

Answer 1

Answer:

Step-by-step explanation: 3x-2y=4 ------(i)

                                             5x-2y=0 ------(ii)

                                           

from equ 1:   3x=4+2y

x= 4+2y /3

put 4+2y/3 into equ 2 in place of x

5(4+2y/3) - 2y =0

20+10y/3 - 2y=0

20+10y/3 =2y

cross multiply

20+10y=6y

10y-6y= -20

4y = -20

y= -5

put y= -5 into equ 3 :3x=4+2y

3x=4+2(-5)

3x=4-10

3x=-6

x=-2

therefore x= -2 and y= -5.

Answer 2

Answer:

Step-by-step explanation: 3x-2y=4 ------(i)

                                            5x-2y=0 ------(ii)

                                         

from equ 1:   3x=4+2y

x= 4+2y /3

put 4+2y/3 into equ 2 in place of x

5(4+2y/3) - 2y =0

20+10y/3 - 2y=0

20+10y/3 =2y

cross multiply

20+10y=6y

10y-6y= -20

4y = -20

y= -5

put y= -5 into equ 3 :3x=4+2y

3x=4+2(-5)

3x=4-10

3x=-6

x=-2

therefore x= -2 and y= -5.