Question

FAN AND MEDAL
Did I do this right
2x+y=3
4x-7y=15
Step 1:
-2 (2x+y=3) --> -4x-2y=-6
4x-7y=15
Step 2: -4x-2y=-6
4x-7y=15
-9y=9
y=-1
Step 3: 2x+(-1) =3
x=2
Step: the solution is (2,-1)
Step 5: verify solution
Equation 1
2 (2) + (-1)=3
3=3
Equation 2
4(2)-7(-1)=15
15=15

Answer 1

Looks good to me

Answer 2

thank you @Brian42

Answer 3

how did u get 7y

Answer 4

it was in the equation