theshadoweeveeog
theshadoweeveeog theshadoweeveeog
  • 04-03-2020
  • Mathematics
contestada

I'm really confused about this question about Solving Systems by Elimination

x-y=8
x+y=12

Respuesta :

angelinahamza94
angelinahamza94 angelinahamza94
  • 04-03-2020

Answer:

x=10

y=2

Step-by-step explanation:

1)add the equations and find what x is.

x-y=8

+x+y=12

—————

2x=20

— —

2 2

x=10

3)fill in x for the second equation.

x+y=12

since x=10,replace x with 10.

10+y=12.

subtract 19 from both sides.

10+y=12

-10 -10

—————-

y=2

Answer Link

Otras preguntas

A Mexican cowboy is called a A. Charro B. Churo C. Charreada
Which of the following locations is the world's most populated urban center? Tokyo Shanghai Hong Kong Seoul
how might the learning effect influence wage trends?
What did the Women’s Christian Temperance Movement campaign for?
What defining feature of a soliloquy is found in this passage? A. The character talks to the audience about his problems.B. The character considers philosophica
What is the difference between true ribs, false ribs, and floating ribs
sketch and label all possible rectangles with a perimeter of 30 cm and sides whose lengths are whole numbers
Which of the following types of information are needed to construct a karyotype? I. Size of the chromosomes II. Gene mutations of the chromosomes
as agriculture became entrenched in the south
What made the Mexican victory so remarkable and suprising? A. The French were larger and better equipped. B. The Mexican army had no weapons. C. The French paid