Respuesta :

Answer:

=3x+−1

Step-by-step explanation:

1+1x(3)−2

=1+3x+−2

=1+3x+−2

=(3x)+(1+−2)

=3x+−1

Answer:

Step-by-step explanation:

1+1=2.     2x3=6.  6-2=4

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