Gregory is 2 years older than Esmeralda. In 5 years the sum of their ages will be 42. How old is Esmeralda now?

(A) Translate the given information into an equation using the variable x = current age of Esmeralda. Simplify the left side of your equation.

= 42

(B) How old is Esmeralda currently?

Esmeralda is years old

Now:

Esm ---- x
Greg ---- x+2

in 5 years:
Esm = x+5
Greg = x+7

form your equation and solve