Benny11 Benny11

12-05-2015
Mathematics

contestada

5x-7y=-2
-5x-10y=-15

Respuesta :

12-05-2015

{5x-7y=-2

{-5x-10y=-15 (+)

5x-5x-7y-10y=-17

-17y=-17 /:(-17)

y=1

5x-7 *1=-2

5x-7=-2 /+7

5x=5 /:5

x=1

Solution: (1; 1)

Answer Link

Otras preguntas

Which event would come last in the correct sequence? A.) Jan. 1861: Four more states secede. B.) April 1861: The Confederacy fires on Fort Sumter and another

Which would early civilizations most likely have cooperated about? Select all that apply. increasing trade sharing limited resources blending cultures coordin

What was most unusual about the western storms that that ravaged the plains during the Great Depression?

WILL MARK BRAINLIEST IF YOU ANSWER ASAP!!!!How did Radical Republicans differ from Moderate Republicans?A) Radical Republicans wanted to give African America

The type of climax vegetation that grows in a particular climate zone is influenced mostly by

What is the definition of anecdotal evidence? Anecdotal evidence is evidence that is based on scientific research, experiments, and observation. Anecdotal evid

sheps and stickeen emotion

How do I solve: 22-6x>4

What is the quotient of 78.3 divided by 3.48

What is the percent by mass of chlorine in NaCi? total mass of element in compound molar mass of compound Use %Element x 100