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(12x+9)−(3x+7) there's a ( sign before 12x
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Jul 2, 2018
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(12x+9)−(3x+7)
there's a ( sign before 12x
Mathematics
middle-school
Avishayp
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12x-3x=9x 9+7=16
9x+16=25x
Darryl Noakes
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Jul 9, 2018
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Darryl Noakes
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