Respuesta :

Answer:

3x + 4

Step-by-step explanation:

Step  1  :

Equation at the end of step  1  :

 3 • (x - 1) +  7

Step  2  :

Final result :

 3x + 4

Processing ends successfully

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It’s 3x+4 First you would multiply the parenthesis to get u 3x -3 then you would -3+7 to get 4