Respuesta :

Answer:

a. [tex]= 17.2k - 1.5[/tex]

b.[tex]=-7 + 203g[/tex]

Step-by-step explanation:

Required

Simplify

[tex]1.\ (8.2k - 6) - (4.5 - 9k)[/tex]

Open bracket

[tex]= 8.2k - 6 - 4.5 + 9k[/tex]

Collect Like Terms

[tex]= 8.2k + 9k - 6 - 4.5[/tex]

[tex]= 17.2k - 1.5[/tex]

[tex]2.\ (-3 + 2g) - (4 + 5g)[/tex]

Open bracket

[tex]= -3 + 2g - 4 - 5g[/tex]

Collect Like Terms

[tex]=-3-4+2g - 5g[/tex]

[tex]=-7 + 203g[/tex]