Question

resolver y conprovar cada unas de las ecuacion 2r-5=-11 , .

Answer 1

2r - 5 = - 11

2r = - 11 + 5

2r = - 6

r = - 6 : 2

r = - 3

COMPROBAMOS

2r - 5 = -11

2*- 3- 5 = -11

-6 - 5 = -11

Answer 2

2r=-11+5
2r=-6
r=-6÷2
r=-3

2×-3=-11+5
-6=-6