CPM Homework Help : CC1 Problem 8-119

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8-119.

Evaluate each of the following expressions for $x = 10$ . Leave your answers as fractions. Show your work.

$\frac { 2 } { 3 } x + \frac { 8 } { 9 }$
Step 1 (a):
Substitute 10 for the variable.
$\left ( \frac{2}{3}\cdot 10 \right )+\frac{8}{9}$
Step 2 (a):
Use the order of operations:
Step 3 (a):
Find the common denominator.
Answer (a):
$7\frac{5}{9}$

$\frac { 1 } { 2 }x − 41$
Step 1 (b):
Substitute 10 for the variable.
Step 2 (b):
Use the order of operations to evaluate the expression below.
$\frac{10}{2} - 41$
Step 3 (b):
Simplify.

$x + x +\frac { 3 } { 4 }x + 22$
Hint (c):
Follow the same steps as parts (a) and (b).

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