-3
4
Divid your number by 4 then times that number by 3 eg. 20 divide 4 equals 5 5 times 3 equals 15
7
the number = -20Let = the number3 times a number = 3 * x or 3xdifference of 9 and 3 times a number = 9 - 3xdifference of 9 and three times a number equals 69: 9 - 3x = 699 - 3x = 699 - 3x - 9 = 69 - 9-3x = 60-3x/-3 = 60/-3x = -20
you find what number times its self equals the number you are squaring
80
try to find what number times the same numbers equals the number that you have.
5 or -7.
6 or -8
5
Three to the third power equals three times three times three equals twenty-seven. 3^3 = 3 x 3 x 3 = 27
"The sum of a number and three times another number is 18. find the numbers if their product is a maximum?"