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Tessa made a mistake solving the equation 4(2x + 3 ) = -20. Select the line in which her mistake appears.

Line 1. 4 (2x + 3) = -20

Line 2. 8x + 12 = -20

Line 3. 8x = -8

Line 4. x = -1

Respuesta :

calculista

Answer:

Line 3

Step-by-step explanation:

we have

[tex]4(2x+3)=-20[/tex]

Verify each line

Line 1

[tex]4(2x+3)=-20[/tex] ----> the given equation

Line 1 is correct

Line 2

Distribute in the left side

[tex]8x+12=-20[/tex]

Line 2 is correct

Line 3

Subtract 12 both sides

[tex]8x=-20-12[/tex]

[tex]8x=-32[/tex]

The line 3 is not correct

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