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denis23 [38]
3 years ago
6

Can anybody help me with #14?

Mathematics
2 answers:
Vinil7 [7]3 years ago
5 0

Answer:

The student made an error in step 3.

Step-by-step explanation:

Step 2 is correct but 42/-6 is 12.

Basile [38]3 years ago
3 0
The student's work is correct.
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In a right triangle, 40-x=(3x). What is the value of x?
Archy [21]

Answer:

x=10

Step-by-step explanation:

Let's solve your equation step-by-step.

40−x=3x

Step 1: Simplify both sides of the equation.

40−x=3x

40+−x=3x

−x+40=3x

Step 2: Subtract 3x from both sides.

−x+40−3x=3x−3x

−4x+40=0

Step 3: Subtract 40 from both sides.

−4x+40−40=0−40

−4x=−40

Step 4: Divide both sides by -4.

−4x

−4

=

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−4

x=10

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Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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