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Thepotemich
[5.8K]
2 years ago
12
− 3x − 30 = 5x + 18
Mathematics
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1
answer:
Mariana
[72]
2 years ago
6
0
In the second and third line, where 3x was taken off both sides. On the left -3x-3x should have given -6x.
3x should have been added to both sides in order to cancel out the -3x
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