Step-by-step explanation:
f, your friends lunch
f + 3, your lunch
f + f + 3 = 19
2f + 3 = 19
2f = 16
f = 8
Your friends lunch was $8
I hope this helped!!!!
You have to replace x and y by each pair in the equation and find the answer 14.
IF you replace the pair (11,1) you will get (11+3)*1=14
solve this and you get 14=14 so ordered pair is (11,1)
Answer:
x=1/6 or 1.16 (6 repeating) or x=6^-1
Step-by-step explanation:
y=6x-1
substitute y =0
0=6x-1
Move the variable to the left
-6x =-1
Divide on both dies
Answer:
x=0 and y=5
Step-by-step explanation:
8x-25+2x=-25