Indicate which property is illustrated in Step 8. Step 1:Step 2:Step 3:Step 4:Step 5:Step 6:Step 7:Step 8:Step 9:Step 10:Step 11:5040x9x7 = 050+ (-40x + 9x) - 7 = 050+ (-40 + 9)x - 7 = 050+ (-31x) - 7 = 0(-31x +50) 7 = 0-31x + (50 - 7) = 0-31x + 43 = 0-31x +43 + (-43) = 0 + (-43)-31x = -43-31x(-1) == -43 - (-1)I = 334331

Now, we adding the additive inverse of 43. So, -31x+43-43=0-43⇒-31x=-43⇒x=4331

Answered: Step 1: Step 2: Step 3: Step 4: 50 40x…

Math

Algebra

Step 1: Step 2: Step 3: Step 4: 50 40x + 9x - 7=0 50+ (-40x + 9x) - 7 = 0 50+ (-40 + 9)x - 7 = 0 50+ (-31x) - 7 = 0

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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Question

Indicate which property is illustrated in Step 8.

Step 1:
Step 2:
Step 3:
Step 4:
Step 5:
Step 6:
Step 7:
Step 8:
Step 9:
Step 10:
Step 11:
50
40x9x
7 = 0
50+ (-40x + 9x) - 7 = 0
50+ (-40 + 9)x - 7 = 0
50+ (-31x) - 7 = 0
(-31x +50) 7 = 0
-31x + (50 - 7) = 0
-31x + 43 = 0
-31x +43 + (-43) = 0 + (-43)
-31x = -43
-31x
(-1) =
= -43 - (-1)
I = 33
43
31

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