Question

solve the following pair of linear equations by the elimination method and the substitution method. x+ y=5. 2x-3y=4​

Answer 1

Answer:

2x+2y=10

2x-3y=4

2x gets cancelled

-y=6

y=-6

substitute in equation 1

2x+2(-6)=10

2x-12=10

2x=10+12

2x=22

x=11