Question

Solve this equation by elimination.

Answer 1

x=3, y=0

Explanation:

3x+2y=9--(i)

Multiplying by 3,

3(3x+2y)=3*9

9x+6y=27---(ii)

2x+6y=6---(iii),

Subtracting (ii) from (iii),

2x+6y=6

-9x+6y=27

=-7x+0=-21

x=-21/-7

x=3

In (i),

3x+2y=9

3*3+2y=9

y=0/2

y=0