Evaluate: a) (y - 1) (2y3 - y2 + 5y - 3) -(4y - 9) (y2 – y + 3)
Answers
Answered by
0
Answer:
5x + 3y = 9 -----(I)
2x − 3y = 12 ----- (II)
Add (I) and (II)
7x = 21
x = 3
Putting the value of x = 3 in (I) we get
5(3)+3y=9⇒15+3y=9⇒3y=9−15=−6⇒y=−2
Thus, (x, y) = (3, −6).
Step-by-step explanation:
Similar questions