## PLSSSSS • Demand equation: 0.7x + y = 340 Supply equation: -1.5x + y = 320 1. Solve the system algebraically to dete

Question

PLSSSSS

• Demand equation: 0.7x + y = 340

Supply equation: -1.5x + y = 320

1. Solve the system algebraically to determine the balance point between

supply and demand.

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Mathematics
6 days
2021-07-21T22:31:38+00:00
2021-07-21T22:31:38+00:00 1 Answers
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## Answers ( )

Answer:

Step-by-step explanation:

Subtract equation 2 from equation 1

.7x+y-(-1.5x+y)=340-320

.7x+y+1.5x-y=20

2.2x=20

x=100/11, then use this in either original equation to find y.

.7(100/11)+y=340

y=3670/11, so the balance point is

(100/11, 3670/11)