14-01-2020
Mathematics

contestada

(3a-1)/8=(a+9)/4 find a plz

Respuesta :

sqdancefan sqdancefan

14-01-2020

Answer:

a = 19

Step-by-step explanation:

3a -1 = 2(a+9) . . . . . multiply by 8

3a -1 = 2a +18 . . . . . eliminate parentheses

a -1 = 18 . . . . . . . . . . subtract 2a

a = 19 . . . . . . . . . . . . add 1

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