caitieidson5769 caitieidson5769

22-07-2017
Mathematics

contestada

Find the solution of this system of equations. separate the x- and y-values with a comma. x= 8 + y -2x + 6y= -20

Respuesta :

Banabanana Banabanana

22-07-2017

{x= 8 + y
{-2x + 6y= -20

-2(8+y) + 6y = -20
-16 - 2y + 6y = -20
4y = -20 + 16
4y = -4
y = -1

x = 8 + y = 8 + (-1) = 7

Answer: x = 7, y = -1

Answer Link

Otras preguntas

Question on Pic Thank You!!!

What is chiaroscuro? a. A painting technique that means dark-gray b. A painting technique that means bold-light c. A painting technique that means dark-bold d.

will mark brainliest!!!How did the Industrial Revolution have an impact on the berlin conference?

Pls help me solve the problem

What is 2 divided by 5

Select the sentence that has the adverb in the correct location (A)The terribly weather outside is hot. (B)The weather outside is hot terribly (C)The weather ou

PLS HELP! 100 POINTS!! WILL MARK BRAINLIEST!!! Explain and show the economic and social life of medieval feudalism and manorial life. Explanation should be AT

Which equation represents g(x)? g (x) = RootIndex 3 StartRoot x 1 EndRoot g (x) = RootIndex 3 StartRoot x minus 1 EndRoot g (x) = Negative RootIndex 3 StartRoot

add -13 1/4 + 4 3/4 and write the answer as a mixed number using simplest form

an electric iron is rs 300 including 10% VAT find the price before the VAT was added