Question

Prop which property of addition satisfies the statement? [(-345)+(-20)]+67=(-345)+[(-20)+67]

Answer 1

Step-by-step explanation:

[(-345)+(-20)]+67=(-345)+[(-20)+67]

[(-345)-20)]+67=(-345)+[(-20)+67]

(-365)+67=(-345)+47

(-298)=(-298)