![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 11.10.2019 08:20, tony7135
Question 1
the following is a student solution to the inequality
5/12-(x-3)/6≤(x-2)/3
5/12-2/2*(x-3)/6≤4/4*(x-2)/3
5/12-(2x-6)/12≤(4x-8)/12
5-2x-6≤4x-8
-1-2x≤4x-8
-6x≤-9
x≥3/2
there are two mathematical errors in this work. identify at what step each mathematical error occurred and explain why it is mathematically incorrect.
the first mathematical error occurred going from line to line
why it is incorrect:
the second mathematical error occurred going from line to line
question 2
which of the following equations have the same solution? give reasons for your answer that do not depend on solving the equations.
-(7-4x)=9
12=-4(-6x-3)
5x+34=-2(1-7x)
14=-(x-8)
-8=-(x+4)
x+5=-5x+5
why it is incorrect:
b. solve the inequality correctly.
![answer](/tpl/images/cats/otvet.png)
Answers: 1
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Do you know the correct answer?
Question 1
the following is a student solution to the inequality
5/12-(x-3)...
the following is a student solution to the inequality
5/12-(x-3)...
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