Question

ax+by=c, bx+ay=1+c solve by elimination method. ​

Answer 1

Answer:

ax+by=c, .......1

bx+ay=1+c........2

Multiply eqn (1) by a And (2) by b

a²x+aby = ac

b²x+aby = b(1+c)

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(a²+b²)x = ac -(b+bc)

(a²+b²)x = ac-b-bc

x = [ac-bc-b]/(a²+b²)