JailynJohnson JailynJohnson

14-09-2016
Mathematics

Answered

Solve for x.

1+|2+x|=9

x = 6 or x=−10

x = 5 or x=−9

x = 7 or x=−11

x = 4 or x=−8

Verified Answer :

texaschic101 texaschic101

14-09-2016

1 + |2 + x| = 9
| 2 + x | = 9 - 1
| 2 + x| = 8

2 + x = 8 -(2 + x) = 8
x = 8 - 2 -2 - x = 8
x = 6 -x = 8 + 2
-x = 10
x = -10

solutions are : x = 6 or x = -10

Answer Link

LeYi2021343 LeYi2021343

14-09-2016

x could be either 6 or -10
1+|2+x|=9
|2+x|= 9-1
|2+x|= 8
x could be 6 because 2+6=8
x could also be -10 because the final answer inside the '| |' becomes positive
|2+-10|=8
|-8|=8
8=8
Thus x could be 6 or -10

Answer Link

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