Problem

Simplify the expression. See Examples.Example Simplifying ExpressionsSimplify the expressi...

Simplify the expression. See Examples.

Example Simplifying Expressions
Simplify the expression.
(a) 4x + 8 + 9 simplifies to 4x + 17.
(b)
(c)
(d)
EXAMPLE 2
Example Combining Like Terms
Simplify the expression.
(a)
(b)
(c)
(d)
(e) 32y + 10y2 These unlike terms cannot be combined.
EXAMPLE 3
Example Simplifying Expressions
Simplify the expression.
(a)
(b)
(c)
Alternatively, −(2 − r) can be thought of as the opposite of (2 − r) — that is, −2 + r—which can then be added to 10r to obtain −2 + 11r.
(d)
(e)
(f)