CPM Homework Help : CC3 Problem 5-40

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Home > CC3 > Chapter 5 > Lesson 5.2.2 > Problem 5-40

5-40.

Solve for $x$ .

$\frac { x } { 2 } + \frac { x } { 5 } = 1$
Step 1 (a):
Multiply each side by a common multiple of the denominators in order to eliminate all fractions.
$5x+2x=10$
Step 2 (a):
Combine like terms.
$7x=10$
Answer (a):
$x = \frac{10}{7}$

$\frac { x } { 3 } + \frac { x - 1 } { 4 } = 2 + x$
Hint (b):
Follow the steps in part (a).
Answer (b):
$x=-\frac{27}{5}$

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