Write an equivalent variable expression.
9(5r 3)
To write an equivalent variable expression for 9(5r + 3), you need to distribute the 9 to both terms inside the parentheses.
To distribute, multiply 9 by both 5r and 3 separately:
9 * 5r = 45r
9 * 3 = 27
Therefore, an equivalent variable expression to 9(5r + 3) is:
45r + 27