Answer:
55
Step-by-step explanation:
Given the following question:
[tex]c-8a[/tex]
[tex]c=7[/tex]
[tex]a=-6[/tex]
Substitute and solve by using PEMDAS:
[tex]c-8a[/tex]
[tex]7-8(-6)[/tex]
[tex]8\times-6=-48[/tex]
[tex]7--48[/tex]
[tex]7--48=55[/tex]
[tex]=55[/tex]
Your answer is "55."
Hope this helps.