Answer:
x=1
y=-1
Step-by-step explanation:
they have already isolated y in both equations
label both equations
y=-x............1
y=3x-4........2
sub 1 into 2
-x=3x-4
-x-3x=-4
-4x=-4
x=1........ 3
sub 3 into 1
y=-(1)
y=-1
Answer:
P = 8
Step-by-step explanation:
Answer:
5/4,2.5,3.7,4.75,5.5,6,28,29
Step-by-step explanation: