Question

6 A + 8 B = 100
2 A - 3B = 81
Find a and b.
I need step by step and I will mark it the branliest answer.​

Answer 1

Answer:

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...