5 ( 3 – x)5×3,5×-x8 – 5x?​

–7

Penjelasan dengan langkah-langkah:

5(3-x) = (5 x 3) + (5 x (-x))

= 15 + (-5x)

= 15 -5x

15 – 5x = 0

-5x = -15

-x = -3

x = 3

ditanya:

8-5x ?

8 – 5(3) = 8-15

= –7