Respuesta :

Answer:

x=2

Step-by-step explanation:

9

3

=

1

+

{\color{#c92786}{9-3x}}=1+x

9−3x=1+x

3

+

9

=

1

+

Answer:

2

Step-by-step explanation:

9-3x=1+x

9-3x-x=1

9-4x=1

4x=9-1

4x=8

x=8/4

x=2