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solve the follwing by trial and error method                                                                                                              y+9=12
Asked by nafisa | 24 Oct, 2018, 08:42: PM Expert Answer

Put y = 1, then L.H.S = y + 9 = 1 + 9 = 10

Put y = 2, then L.H.S = y + 9 = 2 + 9 = 11

Put y = 3, then L.H.S = y + 9 = 3 + 9 = 12 = R.H.S

Therefore  y = 3 is the correct value.

Answered by Yasmeen Khan | 25 Oct, 2018, 11:53: AM
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