If x =-5 then you put -5 in place of x.
y=-5+7
y=2
Answer:
is there supposed to be a picture? or something you need help with?
Step-by-step explanation:
Answer:
4x+6
Step-by-step explanation:
Perimeter (P) = 2l+2w
w=x+3
l=x
P=2x+2(x+3) --> 2x+2x+6
Combine like terms: 4x+6