6 A + 8 B = 100
2 A - 3B = 81
Find a and b.
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multiply equation2 ×3
then it becomes 6a - 9b = 243
solving 1 and 2 equations , we get
6a + 8b = 100
6a - 9b = 243
___________
here 6a and 6a gets cancelled then
17b = -143
then b = -143 /17
and now substitute b value in either equations 1 or 2. then you will get the value of a...
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