Question

ayúdame porfa rápido ​

Answer 1

Explicación paso a paso:

1) 9X -11 =+12 X

= -19X = 11+10

= 19X = 21/-19

=X = 1,10

2) 2X +3 = -X +15

= 2X +X = -3 +15

= 3X = +12

X= 12/-3

= -4