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Mathematics 12 Online
OpenStudy (caitlinnr14):

x + 1 = −x + 8

OpenStudy (anonymous):

any answer choices ?

OpenStudy (anonymous):

2x-7=0 2x=7 x=2/7

OpenStudy (anonymous):

You have to transform "-x" to the left side and "+1" to the right side ! Don't forget to change the sign : \[\Large x+\color{red}x=8\color{red}{-1}\] So : \[\Large 2x=7 \] So : \[\Large x=\frac72\]

OpenStudy (caitlinnr14):

wait

OpenStudy (caitlinnr14):

these r answer choices7 14 18

OpenStudy (caitlinnr14):

7 and 1/2

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