verygrumpysam verygrumpysam

08-06-2017
Mathematics

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Solve the equation for x: 3x – 17 = 9x + 7 A x = 4 B x = –4 C x = 610610 D x = −610

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firestarangel26 firestarangel26

12-06-2017

Subtract 9x from both sides:
[tex]3x-17-9x=9x+7-9x [/tex]
Now we have:
[tex]-6x-17=7 [/tex]

Add 17 to both sides:
[tex]-6x-17+17=7+17 [/tex]

Now we have:
[tex]-6x=24 [/tex]

Divide both sides by -6 to isolate x:
x=-4

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