Answer:
398 * 1.034^t
Step-by-step explanation:
P = 398(1 + 3.4%)^t = 398 * 1.034^t
3x+6=-5-2x-6
+2x. +2x
5x+6= -5-6
5x+6= -11
-6. -6
5x= -17
divide by 5
x= -3.4
(-2,5)
4x+4y=12
6x-4y=-32
10x=-20
x=-2
4(-2)+4y=12
-8+4y=12
4y=20
y=5