Question

Найти значение выражения 4x -12 при x = 7; 0; -5;

Answer 1

4 × 7 - 12 = 28 - 12 = 16

4 × 0 - 12 = 0 - 12 = - 12

4 × - 5 - 12 = - 20 - 12 = - 32

Answer 2

4x-12

4*7-12=28-12=16.

4*0-12=0-12=-12

4*(-5)-12=-20-12=-32