aliadan0004
aliadan0004 aliadan0004
  • 13-01-2021
  • Mathematics
contestada

a=? if a+3:7+a and 4:5 are equal

Respuesta :

Adetunmbiadekunle Adetunmbiadekunle
  • 18-01-2021

Answer:

No they are not equal;

a = -13

Step-by-step explanation:

Here, we want to find the value of a

We are gong to use the ratio given

That will be;

a + 3/ 7 + a = 4/5

5(a + 3) = 4(7 + a)

15 + 3a = 28 + 4a

4a - 3a = 15-28

a = -13

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