IXL | Checkpoint: Solve linear equations | 8th grade math

Ted solved the equation

6

x

–

7

–

x

=

14

+

x

–

9

.

Here are his last two steps:

4

x

=

12

x

=

3

Which statement is true about the equation?

The solution is

x

=

3

.

There is no solution.

There are infinitely many solutions.

The solution is (4, 12).

ref_doc_title.

$Confetti$

Excellent!

Now entering the Challenge Zone—are you ready?

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Teacher tools

Work it out

Not feeling ready yet? These can help:

M.1Which x satisfies an equation?

M.16Solve multi-step equations

M.20Find the number of solutions

M.21Create equations with no solutions or infinitely many solutions