Question 860346
Eric's age now------x

last year x-1 years


next year age = x+1

(x-1)/4 + 3(x+1) =45

x-1 +12(x+1)=4*45

x-1+12x+12 =180

13x+11=180

13x= 180-11

13x=169

x= 13 years age  now