Sagot :
[tex]5\cdot(x-19)=5\cdot x-5\cdot19=5x-5\cdot19\\\\\\Answer:C[/tex]
[tex]5\cdot(x-19):\\\\5\cdot x=5x\\\\5\cdot(-19)=-5\cdot19[/tex]
[tex]5\cdot(x-19):\\\\5\cdot x=5x\\\\5\cdot(-19)=-5\cdot19[/tex]