Question

Resolva.


A) (2+4-6)+[3+7-10-10]-{58-24-34}
B) 3×+4+12= - (3×-6)

Answer 1

Olá,

Vamos lá,

A) (2+4-6)+[3+7-10-10]-{58-24-34}
= 0 + [ - 10] - { 0}
= - 10

B) 3×+4+12= - (3×-6)
3x + 4 + 12 = -3x + 6
3x + 3x = 6 -4-12
6x = -10
x = -10/6
x = - 5/3