jhon2345677 jhon2345677

02-11-2016
Mathematics

contestada

solve each system by substitution x+12y=68
x=8y-12

Respuesta :

PhantomRealm PhantomRealm

02-11-2016

substitute x=8y-12 into first equation
8y-12+12y=68
20y=68+12
20y=80
y=80/20
y=4

substitute y=4 in 2nd equ
x=8(4)-12
x=32-12
x=20

Answer Link

Otras preguntas

what is the answer for these questions?

Use the graph to answer the question. Graph of polygon ABCD with vertices at 1 comma negative 1, 3 comma negative 5, 7 comma negative 5, 5 comma negative 1. A

The nurse is providing a class for a group of girls. When discussing the changes surrounding puberty, what information should be included?

Calculate the theoretical yield of copper by using the mass of iron in which is 1.74g

How do you calculate prepaid interest and notes payable from borrowed money from Second National Bank by issuing a four-month, 9 percent note for $48,000; recei

Part A Consider (Figure 1). Assume F= 220 lb. Determine the moment of force F about point O. Express the result as a Cartesian vector. Enter the x, y and 2 comp

In Part A, we saw that the theoretical yield of aluminum oxide is 0.800 mol . Calculate the percent yield if the actual yield of aluminum oxide is 0.584 mol .

The activation of the APC allows a cell to pass through the A. G0 checkpoint. B. M checkpoint. C. G1 checkpoint. D. G2 checkpoint.

If gravity is a manifestation of spacetime curvature, then what can we say about gravitational tidal forces?A. Tidal forces are spacetime curvature you (or a mo

A firm has a net working capital of $8,271. Long-term debt is $12,772, total assets are $41,880, and net fixed assets are $17,934. What is the amount of the tot