Answer:
30
Step-by-step explanation:
14×2=28
28+2=30
i hate riddles
Answer:
20
Step-by-step explanation:
x-2y=6 and x+y=10
Multiply the second equation by 2
2x+2y = 20
Answer:
The first one is 79
The second one is 26
I hope this helped! :D
Step-by-step explanation:
For the first one you just plug in 23 into x so it would be 3(23) + 10 = x
For the second one you just plug in 88 into g so it would be 88 = 3x + 10
D because say you got 2 boxes of pens, 20p would be 20(2)=40 you would have 40 pens.