Question

calcule (-10)×3+5×(-3+4)=-10 x 3 + 5x - 3 + 4 = ​

Answer 1

Resposta:

10 x 3 + 5 ( - 3 + 4 ) = 10 x 3 + 4

5-1 = 5 x - 3 + 4

5 = 5 x + 1

5 x = -1 -5

- 5 x = - 4

        4

X =  -----

        5