Answer:
B. 126
Step-by-step explanation:
85*2=170
170+64+x=360
234+x=360
x=126
Answer:
-2
Step-by-step explanation:
Easy
y=2x-7
sub 2x-7 for every y you se inother equation
x+2(2x-7)=1
x+4x-14=1
5x-14=1
add 14 both sides
5x=15
divide 5
x=3
sub back
y=2x-7
y=2(3)-7
y=6-7
y=-1
(3,-1) is solution
Answer:
25 roses and 40 white carnations
Step-by-step explanation: