Question

1.3b + 2 = 12.4 what is b?​

Answer 1

b = 8

Explanation:

1.3b + 2 = 12.4

- Subtract 2 from both sides

1.3b = 12.4 - 2

- Subtract 2 from 12.4 to get 10.4.

1.3b = 10.4

- Divide both sides by 1.3.

b =
`(10.4)/(13)`

- Expand
`(10.4)/(13)` by multiplying both numerator and the denominator by 10.

`b = (104)/(13)`

- Divide 104 by 13 to get 8.