Question

use the method of substitution to solve the system of equations {4x+y=2, x-y=3}

Answer 1

x=y+3
you can get this by second equation
now put this value in place of x in 1 eq..
u will get
4(y+3)+y=2
solving further
4y+12+y=2
5y=-10
y=-2
put this value any of the eq... u will get x = 1