ValeriAVillanuevaaa ValeriAVillanuevaaa
  • 23-09-2020
  • Mathematics
contestada

Explain what mistake was made in the problem below and what should be the
right answer.
Student Work:
2(x + 4) – 8 = 3x+10-4
2x + 8–8 = 3x + 6
2x = 3x + 6
- 3x – 3x
X = 6

Explain what mistake was made in the problem below and what should be the right answer Student Work 2x 4 8 3x104 2x 88 3x 6 2x 3x 6 3x 3x X 6 class=

Respuesta :

mykiahgriffiths
mykiahgriffiths mykiahgriffiths
  • 23-09-2020

Answer:

Instead of moving the 3x to the opposite side of the equation they moved the 2x. And the correct answer is x=-6 not x=6.

Step-by-step explanation:

Student Work:

2(x + 4) – 8 = 3x+10-4

2x + 8–8 = 3x + 6

2x = 3x + 6

- 3x – 3x

X = 6

My work:

2(x+4)-8=3x+10-4

2x+8-8=3x+6

2x=3x+6

-x=6

x=-6

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