emma115 emma115

29-09-2016
Mathematics

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1/2*40=2x+8 what is the answer

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hai0612 hai0612

29-09-2016

1/2 × 40 = 2x + 8
⇔ 20 = 2x + 8
⇔ 12 = 2x
⇔ x = 6

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