Question

 

-26-(x-7)=0 . giúp mình nha

Answer 1

-26-(x-7)=0

-26-x+7=0

-21-x=0

x=-21-0

x=-21

Vậy x=-21

tk nha!

Answer 2

-26-(x-7)=0 \(\Rightarrow\chi-7=-26\)

\(\Rightarrow\chi=-26+7\)

\(\Rightarrow\chi=-19\)

HTDT

Answer 3

-26-(x-7)=0

-26-x+7=0

-21-x=0

x=-21-0

x=-21