Step-by-step explanation:
1.(2,3)
2.No
3.1st quadrant
4.5
5.Yes
6.Quadrant-4
7.(2,-3)
Answer:
42=7(x+5)
42=7x+35
42-35=7x
7=7x
X=7/7=1
the sum of 4 and a number
4 plus a number
3u-40+2u = 6u-30-u
On simplifying
5u-40= 5u-30
5u+0y-40 = 5u+0y-30 (Infinitely many solutions)