Question

Find the respective values of a, b and c satisfying
the following equations.
6a - 5b + 7c = 1. a + 5b + 6c = 3; 3a + 2b + 7c = 2​

Answer 1

Answer:

(6a-5b+7c=1)+(a+5b+6c=3)+(3a+2b+7c=2)

=10a+2b+20c=6

a=(6-2b-20c)/10

b=(6-10a-20c)/2

c=(6-10a-2b)/20