3 is multiplied by the difference of 7 and a number

Will give brainliest what is the value of x? enter your answer in the box.

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

What function has a range {yly< 5}? question on picture above^