Answer:
A=15
All you have to do is copy paste your question to the search engine and G0ogle (your search browser) automatically answers it.
a=15
Step-by-step explanation:
[tex]5(a - 1) - 15 = 3(a + 2) + 4 \\ 5a - 5 - 15 = 3a + 6 + 4 \\ 5a - 3a = 6 + 4 + 5 + 15 \\ 2a = 30 \\ \\ a = \frac{30}{2} \\ a = 15[/tex]
I hope I helped you^_^
