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mote1985 [20]
3 years ago
11

2x+4(2x+7)=3(2x+4) What is x

Mathematics
2 answers:
Rainbow [258]3 years ago
8 0

Answer:

x = -4

Step-by-step explanation:

2x+4(2x+7)=3(2x+4)

Distribute

2x+8x + 28 = 6x +12

Combine like terms

10x +28 = 6x +12

Subtract 6x from each side

10-6x+28 = 6x +12 -6x

4x +28 = 12

Subtract 28 from each side

4x+28-28 = 12-28

4x = -16

Divide each side by 4

4x/4 = -16/4

x = -4

pav-90 [236]3 years ago
6 0

Answer:

x = -4

Step-by-step explanation:

2x+4(2x+7)=3(2x+4)

2x + 8x + 28 = 6x + 12

10x + 28 = 6x + 12

4x = -16

x = -4

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Answer:

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Step-by-step explanation: Imagine the television  as 2, and the DVD player as 1. If you’re were to draw it out with boxes, you’d see that the tv  has two boxes and the DVD player has 1 box. All are exactly the same amount, and there are a total of three boxes. So divided 1230 by 3 and you get 410. Using the idea of the boxes, the DVD player get’s one 410, and the tv gets two 410s, or 820.

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3 years ago
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3 0
3 years ago
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stepan [7]

Answer:

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Step-by-step explanation:

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