Solve : 3a+2b=17, 4b–a = – 8.
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3a+2b=17. ____[i]
4b–a = – 8 _____[ii]
Multiplying, [ii] by 3
We get, 12b-3a=-24 ____[iii]
Adding, [iii] and [i]
12b-3a+3a+2b=17-24
=14b=-7
b=-1/2
Substituting the value of b in [ii],
We get,
-2-a=-8
-a=-8+2
a=6
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