X + y = 23000
x.08 + y.09 = 2040
x = 23000 - y
(23000 - y) .08 + y.09 = 2040
1840 - .08y + .09y = 2040
Simplify
.01y = 200
Simplify
Y = 20000
X + 20000 = 23000
X = 3000
CHECK: .08x + .09(20000) = 2040
.08x + 1800 = 2040
Simply .08x = 240
X = 3000
Answer:
16
Step-by-step explanation:

Answer:
-24n + 42
Step-by-step explanation:
(7 - 4n) · 6
Apply distribute property.
7 · 6 - 4n · 6
42 - 24n