Question

x+y=4;5x-y=4

solve the simultaneous equation.​

Answer 1

Answer:

Step-by-step explanation:

x+y=4

⇒ x=4-y  ------- 1

now,

5x-y=4

putting x=4-y from equation 1

we get

5(4-y)-y=4

⇒20-5y-y=4

⇒20-6y=4

⇒6y=16

⇒y=16/6

⇒y=8/3

putting y=8/3 in equation 1

x=4-y

⇒x=4-8/3

x=4/3