04-06-2018
Mathematics

contestada

slove the system of equations 3x-7y=5 and 9y=5x+5

Respuesta :

jinc0930 jinc0930

04-06-2018

3x-7y=5

9y=5x+5
-5x+9y=5

3x-7y=-5x+9y
8x=16y
x=16y/8
x=2y

3(2y)-7y=5
-1y=5
y=-5

-5(9)=5x+5
-45-5=5x
x=-10

Answer Link

Otras preguntas

HELP PLEASE HURRY g(x) 3 f(x) = 4x + 5 -32 #12 Which function has the greatest y-intercept? 3/ h(x)=3 sin(2x + 1)-2

Help pleaseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee PROBLEMS 1) Add the following: 30 mg, 2.5 kg and 7.0 g. Express the answer in g. 2) Expre

what do you think its for a essay.1. CATS ARE QUIETIf noise levels are a concern in your living situation, cats are a great choice of pet. Even the quietest bar

__________________________ when the trees in the area have been cut down and cleared.

put simply, what tasks do algorithms help computers perform? A. Solving problems B. Finding information C. Making computations D. Answering Questions

Which of the following statements are true? f(x) g(x) . A. Both graphs have exactly one asymptote. B. Both graphs have been shifted and flipped. . C. Both graph

If the pressure starts at 36 Kia what is the final pressure

40 POINTS!! Which statement matches the vector operation shown on the coordinate grid?

What was the German Revolution? Give your answer in at least 10 long points.

Read this excerpt from Neruda's "Your Laughter" and answer the question. Take bread away from me, if you wish, take air away, but do not take from me your laugh