Answer: 
Step-by-step explanation:
You can use the Method of substitution.
Substitute the equation
into the equation
and then you must solve for the variable x:
Apply Distributive property:

Subtract 12 from both sides of the equation and then add the like terms. Then you get:

Answer:
B
Step-by-step explanation:
2x+5y=-52...............
I=ptr
i=(3000)(1461)(3.5%)
i=153405
his cost will be $153 405 by 4 years
I believe the answer is (-3,-1)