Question 1060801
sister is x years old
Michael is 3x-5 years old
in one year, sister will be x+1 years old
Michael will be 3x-4 years old
3x-4=2(x+1)
3x-4=2x+2
x-4=2
x=6 sister's age in years
Michael's is 13
in one year, he will be 14 and his sister 7.