Add them to eliminate x terms
x+3y=-7
<u>-x-7y=19 +</u>
0x-4y=12
-4y=12
divide by -4
y=-3
sub back
x+3y=-7
x+3(-3)=-7
x-9=-7
x=2
(x,y)
(2,-3)
102 I have answered this question before and it was correct! Pls give brainliest! Ty, hope this helped
Answer: 4 pancakes
Step-by-step explanation: because 30min÷6pancakes=5
So, 20min÷5=4