Question

Solitia ecuatiei 1-3(×-1)=-8 este egala cu? Repede va rog!!

Answer 1

$\bf 1-3(x-1)=-8$

$\bf 1-3x+3=-8$

$\bf -3x = -8 -4$

$\bf -3x = -12\:\:\:|:(-3)$

$\boxed{\bf x=4}$

Answer 2

1-3(x-1)= -8

1-3x+3= -8

-3x+4= -8

-3x= -8-4

-3x= -12

x= - 12:(-3)

x=4