Luara is 5 years older than his sister elisabeth. she figured out that in 4 years she will be two times older than elisabeth. how old are they now?

Laura's age is years old

Elisabeth's age is year old

Step-by-step explanation:

Let

x-----> Laura's age

y----> Elisabeth's age

we know that

-----> equation A

-----> equation B

substitute equation A in equation B and solve for y

find x

----->

shift 4 units up, and 1 unit left.

it will translate f(x) = 3^x to g(x) = 3^(x+1) + 4