Solve the system by elimination. need work to be shown

x=1, y=1, z=0

Step-by-step explanation:

System of Equations

We are required to solve the system of equations by elimination:

Adding [1] and [3], and subtracting [1] and [2]:

Multiplying [5] by -3 and adding to [4]:

Solving:

Substituting into [5]:

Simplifying:

z=0

Substituting into [3]

Operating:

x=1

The solution is

x=1, y=1, z=0

y=1/4x-4

step-by-step explanation:

the homeowners insurance cost for a 115,000 wood frame house is 80,500.

step-by-step explanation:

it is given that the coverage rate for wood frame house is 0.7.

the value of wood frame house is 115,000.

.

homeowners insurance cost for a 115,000 wood frame house is

therefore the homeowners insurance cost for a 115,000 wood frame house is 80,500.