x-y=21 ⇒ x=y+21
x+13=2y
Substitute y+21 for x into the equation x+13=2y
So y+21+13=2y
Simplify 34=y
So Danielle is 34 years old. Plug y back in to the original equation
x-34=21
x=55
Tony is 55 years old
Answer:
three million
Step-by-step explanation:
Step-by-step explanation:
punan Ang nga patlang sa bawat bilang sa pamamagitan ng pagtukoy ng multiples nito.5,45,___,___,135
28,35,42,____,____
60,_____,80,___,100
125,175,__,___,325
105,126,147,___,___
120,___,150,165,___
100,125,150,___,___
240,___,____,252,__256
360,___450,540,____,____
160,___,____,280,320
Answer:(x)=10^x
Step-by-step explanation:
Log(x)=x
(x)=10^x
