Question

Solve the simultaneous equation x + 2 y = 1, 3x – y = 17
Please solve it fast it’s urgent..

Answer 1

Step-by-step explanation:

x+2y=1 eq. 1st

3x-y=17 eq.2nd

from equation first

x+2y=1

x=1-2y eq.3rd

put the value of x in eq.2nd

3x-y=17

3×(1-2y)-y=17

3-6y-y=17

-7y=17-3

y= -14/2

y= -2

put y value in eq. 3rd

x=1-2y

x=1-2×(-2)

x= 1+4

x=5