Beginning with the equation ax + by = c, gandalf subtracted ax from both sides to get by = -ax + c, then he divided both sides by b to get y = -a/b x + c/b. what is one reason he might have done this? a) to find the slope b) to find the x-intercept c) to write the equation in standard form d) to write the equation in point-slope form

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?