Question

Solve this simultaneous equation:2a-3b=8;a+2b=3

Answer 1

Answer:

a+2b=3

Step-by-step explanation:

2a-3b=8 is the 1st equation

a+2b=3 is the 2nd equation

2nd eq.×2

=2a+4b=6 is the 3rd equation

Then 1steq.-3rd eq.

=2=-3b-4b

=2=-7b

b=-2/7

So a =25/7