A bicycle is on sale at $12 more than half of the regular price. If the sale price is $75, find the regular price. I just want the equation. Thank you!

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?

Which equation expression the relationship between the number of boxes b and the number of cans c and the proportion is 48