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algol [13]
4 years ago
8

3(2x-3) = 3x+12

Mathematics
2 answers:
frez [133]4 years ago
7 0
Actually step 3 is the first incorrect step, to isolate 3x in step two you must add 9 on both sides, resulting in 3x=21, which would make x=7.
bija089 [108]4 years ago
3 0

Answer:

step 2

Step-by-step explanation:

12 cannot be divided by 9

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