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Kruka [31]
3 years ago
14

Solve. 8 – 3x – x = 12 x =?

Mathematics
1 answer:
poizon [28]3 years ago
3 0
You have to isolate x. First you start off by adding the like terms which is -3x and -x. By adding them you get -4x.

8 - 4x = 12

Then you subtract 8 on both sides since it is positive to isolate x.
-4x = 4

Then you divide -4 by both sides and get x=4/-4

4/-4 is simplified to -1 so the answer is x= -1
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