Question

has la resolucion y coomprobar :

a)x-9=13
b)5m-3=87
c)32+2x=84
d)x:5+3=42
e)2.3+4x=42

Answer 1

Respuesta:

$x - 9 = 13 \\ x- 9 + 9 = 13 + 9 \\ x + 0 = 22 \\ x = 22$

Verificar:

$22 - 9 = 13 \\ 13 = 13$