Respuesta :

Answer:

3.1x+2.8z

3.1 over 10x +14 over 15 z

1 over 10 x (3.1x + 2.8z)

4.3x - 1.2z =

43 over 10x - 6 over 5z

1 over 10 x (43x-12z)

Answer:−1.2x+4z

Step-by-step explanation:

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