Question

The work of a student trying to solve the equation 2(2x – 3) = 6 + 2x + 4 is shown below:

Step 1: 2(2x – 3) = 6 + 2x + 4

Step 2: 4x – 3 = 10 + 2x

Step 3: 4x – 2x = 10 + 3

Step 4: 2x = 13

Step 5: x = 6.5

In which step did the student first make an error and what is the correct step?


Step 2: 4x – 6 = 10 + 2x
Step 2: 4x – 3 = 2 + 2x
Step 3: 4x + 2x = 10 + 3
Step 3: 4x – 2x = 10 - 3

Answer 1

What do you think? Remember first step is to always simplify. Did they simplify right?

Answer 2

i am just making shure my questions are right

Answer 3

It's Step 2.

Answer 4

first check step 1 ....is it correct ???

Answer 5

@agl202304

Answer 6

im pretty shure but i don't know!!

Answer 7

yeah it is correct .....step 1 is same as equation in our Q

Answer 8

now step 2
while we open the bracket we multiply the term outside with each term
like
2*(3+5)=2*3+5*3

Answer 9

can u tell that he did step 2 right or wrong??

Answer 10

there is two step2s and two step 3s wich one is it?

Answer 11

open the bracket 2*(2x-3)=2*2x-2*3

2*2x-2*3=10+2x
tell me which one is correct??

Answer 12

?

Answer 13

i don't know

Answer 14

i need to submit my assingment so can you plz tell me?

Answer 15

multiply 2
4x-6=10+2x

Answer 16

i got 24

Answer 17

how u will get 24 .??

Answer 18

plz give me the answer?

Answer 19

lol i already explained

4x-6=10+2x