A student solved the equation: x+2(x+1)=17

Question

+
2
(

+
1
)
=
17
Line 1: x+2x+1=17

+
2

+
1
=
17
Line 2: 3x+1=17
3

+
1
=
17
Line 3: 3x=16
3

=
16
Line 4: x=163

=
16
3
(3 points)
Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse.
Identify the Property used to go from Line 2 to Line 3: Response area

Which line has a mistake? Response area

What should have been the correct answer for the equation? Response area

Distributive PropertyCombine like termsSubtraction Property of EqualityMultiplication Property of EqualityLine 1Line 2Line 3Line 4No solutionx = 5x = 45x = 15
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PreviousReview

Answer 1

Identify the Property used to go from Line 2 to Line 3: Distributive Property

Which line has a mistake? Line 4

What should have been the correct answer for the equation? x = 5