If the product of a number and –7 is reduced by 3, the resulting number is 33 less than twice the opposite of that number. what is the number?

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

What are the intercepts of x^2+y-9=0

Julius went on a volunteer trip to centralamerica and took medical supplies with him.he packed a bag with 50 pounds of supplies.he brought pieces of equipment that weighed10 pounds each and bottles of medicine thatweighed pound each prepresents thenumber of pieces of equipment he broughtand b represents the number of bottles ofmedicine he brought then the total weight canbe represented by the equation 10p+b 50.the brought 3 pieces of equipment, how manybottles of medicine did he bring?