23-03-2019
Mathematics

contestada

{-4x + 4y = -8
{ x - 4y = -7

Respuesta :

23-03-2019

I assume you're doing elimination, so

The + 4y and - 4y would cancel out, giving you:

-4x = -8

x = -7

Then, you subtract the x values and add the -8 and -7

-3x = -15

Your answer will be

*x = 5

Answer Link

Otras preguntas

Think about ways tanya could save on education expenses. are there scholarships or grants for which she can apply? if so, which ones? do her parents have a savi

The law or act that protects against invasive acts by private individuals using electronic devices is _____.

According to his followers,what did Jesus’ resurrection show?

Identify the structure of the sentence: now the promoters of the vikings first theory must consider a striking new idea compound-complex complex simple compound

There are two balance beams at gym. One is 15 feet long,the other is 162 inches long. Which beam is longer?

List the three components of a scientific argument, describing each in a few words.

How did the U.S. expand and gain territory in the 1800s? A) Mortgaging the land from other countries B) Inhering land from other countries C) Stealing land fr

Sam's appliance outlet has variable expenses of 40% of sales. the manager reported monthly fixed expenses of $240,000. the monthly target operating income is $8

Select input or output for each of the following items. a letter to a congressman a picket line of union members demanding new rules a Veteran's Day parad

Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line y = 1/2x - 1