thefloatingballon thefloatingballon
  • 04-11-2020
  • Mathematics
contestada

Solve the system of equations by substitution:
y= x - 2
x+y=12

A. (7,5)
B. (5,3)
C. (0, 1)
D. (14, 12)

Respuesta :

shaiktext
shaiktext shaiktext
  • 04-11-2020

Answer:

y=x-2

so ...

x+(x-2)=12

2x-2=12

2x=12+2

2x=14

x=14/2

x=7

x+y=12

7+y=12

y=12-7

y=5

Answer Link

Otras preguntas

How did the depression affect women and children?
A number cube is rolled 24 times and lands on 2 four times and on 6 three time. Find the experimental probability of not landing on a 6
why can parents who are heterozygous for type a and type b blood have children with any of the four human blood types?
How did Alexander the Great rise to power and how did he spread Greek culture to other lands?
True or False along a divergent boundary, two plates slip past each other,moving in opposite directions.
what is the simplest square root of 1345? no decimals please
how might a scientist a determine  whether trait sex-linked by observing the offspring of several genetic crosses
how might a scientist a determine  whether trait sex-linked by observing the offspring of several genetic crosses
how is the expression of sex linked genes both  similar to and different from the expression of autosomal genes?
There is an inverse relationship between x and y. If y is when x is 3, what is x when y is 9? 3 5