Respuesta :

Answer:

x+3=6

x=3 (subtract 3)

3x=9

x=3 (divide 3)

Answer:

4x=20 and x+7=19

Step-by-step explanation:

4x=20.  To solve this you divide both sides by 4 and get x=5.

x+7=19.  To solve this you subtract both sides by 7 and get x=12

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