3 by 10 X + 12 is equal to 4 by 10 x - 28
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Answer:
3/10x +12 = 4/10x -28
= 12 + 28 = 4/10x -3/10x
= 40 = 1/10x
= 10x = 40
= x = 1/400
= x =0.0025
Brainliest plz.
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