Step-by-step explanation:
4x+5y=4 (equation 1)
2x-y=9 (equation2)
solving equation 1 and 2 and multiplying equation 2 by 2
4x+5y=4
4x-2y=18
- + -
________
7y= -14
y= -2
putting the value of y in equation 2
2x-y=9
2x+2=9
2x=7
x=3.5
D(-3,1) is the right answer
Answer:
da answer iz w=80% coz they are opposite angels
30 x 20=600
your answer is that he would type 600 words in 20 minutes.
