Mathematics
step1 1:7x+5&amp;gt;4x+2(given) step:2 3x+5&amp;gt;2(subtraction)

### Question Description

step3:3x&gt;3(subtraction) step 4:x>1(division) zan is trying to find her mistake which step(s) did she make her mistake?

step2

step4

step1andstep3

step3

1. 7x + 5 > 4x + 2 - subtract 3x from both parts; the result is correct

2. 3x + 5 > 2 - subtract 5 from both parts: the result on the right should be 2 - 5 = -3, not 3.

3. 3x > -3 - divide both parts by 3

4. x > - 1.

repet22 (1096)
Boston College
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