Using substitution method
from the first equ
2x+y=-1
y= -1-2x --------(3)
put equ 3 into equ 2
3x -1-2x=6
3x-2x=6+1
x =7
put x+7 into equ 1
2(7) + y = -1
14 + Y =-1
y= -1-14
y=-15
so
x=7 and y=-15<span />
Answer:
B
Step-by-step explanation:
Answer:
-1-1.6n
Step-by-step explanation:
5+3.2n-6-4.8n
add like terms
-1-1.6n
Answer:
it should be (5,4)
Step-by-step explanation:
♊♊♊
Answer: 6 pieces
Step-by-step explanation:
