awesomecatladypcal3x awesomecatladypcal3x

27-05-2020
Mathematics

contestada

Solve by substitution
y = -5x -8
2x + 7y = 10

Respuesta :

aleksaandrijasevic aleksaandrijasevic

27-05-2020

x=-2

y=2

_________

Step-by-step explanation:

get the upper x on the opposite side or to be with y

5x+y=-8 / *(-7)

2x+7y=10

__________

-35+2x=56+10

2x+7y=10

__________

-33x=66 x=-2

-4+7y=10

y=2

Answer Link

Otras preguntas

(Psychology) Identify and label all parts.

Are the ratios 5:4 and 20:16 equivalent?

if x = 5 and y = 3, then xy - 2x =

NOW I NEED HELP NOW PLSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS Mya is redecorating her bedroom. The room is in the shape of right rectangular prism. The dimensions of t

Which graph shows the amount of money in purse A?

The ______ argues that combining location specific assets or resource endowments and the firm's own unique assets often requires FDI.

Some matter does not have heat. TrueFalse

If a - b=7, what is also true? A B C D

i really need help on this work it is really difficult help plsss

A population of 75 foxes in a wildlife preserve triples in size every 13 years. the function y equals 75 times 3 superscript x , where x is the number o