The sum of - 7 times a number and 8 times the sum of the number and 1 is the same as the number minus 7. I need to write an equation.

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 ?

Which statement best explains why ben uses the width hi to create the arc at j from point k

Find two consexutive odd integers such that the sum of their square is 650