gissellegg11 gissellegg11

15-12-2019
Mathematics

contestada

5x-9y-42=?(x+6)-9(y+?)

Respuesta :

shanster shanster

15-12-2019

Answer:

5 8

Step-by-step explanation:

Coefficient of x should be 5 so first ? should be 5 let the second ? = z

5×6-9×z=-42

30+42=9z

z=8

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decsf45 decsf45

15-12-2019

Answer: I don’t understand

Step-by-step explanation:

Answer Link

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