Question

x+y=11 and 2x+3y=26 elimination method

Answer 1

by elimination method

minus both the equations

2x+3y=26

-

x+y=11

_______

x+2y=15

y=15-x/2

by substituting y=15-x/2 in one of the two eqautions

2 x+15-x=22

x=22-15

x=7

y=11-7

y=4