Answer:
(0, - 3 )
Explanation:
2x + 5y = - 15 → (1)
5x + 2y = - 6 → (2)
multiplying (1) by 5 and (2) by - 2 and adding will eliminate x
10x + 25y = - 75 → (3)
- 10x - 4y = 12 → (4)
add (3) and (4) term by term to eliminate x
0 + 21y = - 63
21y = - 63 ( divide both sides by 21 )
y = - 3
substitute y = - 3 into either of the 2 equations and solve for x
substituting into (1)
2x + 5(- 3) = - 15
2x - 15 = - 15 ( add 15 to both sides )
2x = 0 , then x = 0
solution is (0, - 3 )