Answer:
see down
Step-by-step explanation:
Taking your question as solve for a, 5a+5b-4c=23
[tex]5a+5b-4c=23[/tex]
[tex]\mathrm{Subtract\:}5b-4c\mathrm{\:from\:both\:sides}\\5a+5b-4c-\left(5b-4c\right)=23-\left(5b-4c\right)\\Simplify\\5a=23-5b+4c\\\mathrm{Divide\:both\:sides\:by\:}5\\a=\frac{23-5b+4c}{5}[/tex]
<3
Red
