CPM Homework Help : AC Problem 5-39

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Home > AC > Chapter 5 > Lesson 5.1.4 > Problem 5-39

5-39.

Which equation below has no solution? Explain how you know.

$4(x+1)=2x+4$
Hint (a):
Solve the equation for $x$ .
$4x+4=2x+4$
$4x=2x$
More Help (a):
All you need to know is that equation (a) has at least one solution.

$9-5x+2=4-5x$
Hint (b):
Again, solve the equation for $x$ .
Answer (b):
Equation (b) has no solution.

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