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Thepotemich [5.8K]
3 years ago
12

− 3x − 30 = 5x + 18

Mathematics
1 answer:
Mariana [72]3 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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