Exercise 79 Page 22

4*(... + ...) The two terms that we are adding together are: an arbitrary number y and 1. Since y comes first in the verbal expression, it should be on the left-hand side of the addition. We can now complete our expression. 4 multiplied by the sum of y and 1 4 *( y + 1) Whenever we multiply by a quantity, we can drop the multiplication symbol and place the quantity between parentheses. 4(y+1)