stacialynneevaow3fn4 stacialynneevaow3fn4

11-09-2017
Mathematics

contestada

devante is 26 years younger than Ariana. 2 years ago Arianas age was 2 times devantes age. how old is devante now

Respuesta :

kphung76127 kphung76127

11-09-2017

a= d+26
a-2= 2(d-2)

Substitute for a
d+26-2= 2d-4

Combine like terms
d+24=2d-4

Subtract d from both sides
24=d-4

Add 4 to both sides
d=28

Final answer: 28

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