Question

Calcule:
A) o dobro de -5 mais 1
B)o triplo de -10 menos 5
C) o dobro de -20 menos o triplo de -5

Answer 1

2×(-5)+1=9
3×(-10)-5=-35
2×(-20)-3×(-5)=-55
a)9
b)-35
c)-55

Answer 2

A)2.(-5)+1=
-10+1=
-9

B)3.(-10)-5=
-30-50=
-35

C)2.(-20)-3.(-5)=
-40-15=
-35