Question

100-3x {5+8÷2- [3x(7-6)] } = ?

Answer 1

Resposta:

109\6

Explicação passo-a-passo:

100-3x {5+8÷2- [3x(7-6)] } = ?

100-3x {5+4- [21x -18x] } =

100-3x {9- [21x -18x] } =

100-3x {9- 3x } =

100 -3x +9-3x =

-3x -3x = -100 -9

-6x = -109 (*- 1)

6x=109

x= 109\6