Question

A = (− 8) + (−12) B=-(-15) x (+2) C = (-21) − (+32) Calcula 2A + B + 3C
a 175
b170
c171
d178

Answer 1

Respuesta:

-169

Explicación paso a paso:

A = (− 8) + (−12)= -20

B=-(-15) x (+2)= 30

C = (-21) − (+32)= -53

• 2A=2(-20)= -40
• B=30
• 3C=3(-53)=-159

=> 2A + B + 3C= -169