Question 367295
MOLLY'S AGE NOW X-4
HEIDI'S AGE NOW=X
IN 3 YEARS MOLLY WILL BE X-4+3 OR X-1
IN 3 YEARS HEIDI WILL BE X+3
2(X-1)=(X+3)
2X-2=X+3
2X-X=3+2
X=5 YEARS OLD FOR HEIDI NOW.
5-3=2 YEARS OLD FOR MOLLY NOW.
PROOF:
2(5-1)=(5+3)
2*4=8
8=8