Solving by Combining Like Terms
Simplify. 3 + 5(a + 4)
5a + 23
Simplify.
7(t + 8.5) - 5t + 4
2t + 63.5
When you count by ones from any integer, you are counting consecutive integers. Using variables, three consecutive integers are n, n + 1, and n + 2. The sum of three consecutive integers is 48. What are the integers?
n + n + 1 + n + 2 = 48 n = 15 The integers are 15, 16, and 17.