Answer:
14 years old
Step-by-step explanation:
let x= Xavier’s age
let y= Madeline’s age
Use linear function:
x+y=28
x=1/2y + 4
x+y=28
x-1/2y=4
Multiply 2nd equation by 2
x+y=28
2x-y=8
Add
3x=36
x=12
12+2=14
y=16
It’s doesn’t look like any of the anwsers are right..
Answer:
29-(2c+3)=2(c+3)+c=
We move all terms to the left:
29-(2c+3)-(2(c+3)+c)=0
We get rid of parentheses
-2c-(2(c+3)+c)-3+29=0
Step-by-step explanation:
Answer:
27.5
Step-by-step explanation:
