Question

resposta -3(3x-42)=2(7x-52)

Answer 1

-3(3x-42) = 2(7x-52)
-9x+126 = 14x-104
-9x-14x = -104-126
-23x = -230 (-1)
23x = 230
x = 230/23 
x = 10

Answer 2

-3 (3x - 42) = 2 (7x - 52)

- 9x + 126 = 14x - 104

- 9x - 14x = - 104 - 126

- 23x = - 230

x= - 230/-23

x= 10