~30 POINTS~ i need someone to do this for me because i suck at math and it's due tm so if someone could generously provide me with thous answers that would be legit amazing

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).