Answer:
UV=7,-3
Step-by-step explanation:
5
d) 80
(35% = 0.35)
equation:
⇒
divide 0.35 on both sides
solve:
⇒ x = 80
1. 4x -3 = 2x + 9
4x - 2x + 9 +3
2x = 12
x=6
2. -2x + 4= 6x -20
-2x -6x = -20 - 4
-8x = -24
x=3