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

what are the steps to evaporation but without heat just evaporation steps to follow
How was Martin Luther King a significant figure in the Civil Rights Movement?
A box if cereal has a volume of 384 cubic inches . If width of the box is 4 inches and the length is 8 inches , what is the height of the box?
The frequency of violet light is 7.5x10 to the 14th power hertz. What is the wavelength?
Who was the first person to walk in the moon
deer : woods : : monkey :
What does an acid+base make
A picture frame for a square picture has an area of 80 square inches. What is the length of the picture?
You begin solving the equation 4 – 5x = 59 by subtracting 4 from both sides. Which is the best choice for Step 2?
2+3=8, 3+7=27, 4+5=32, 5+8=60, 6+7=72, 7+8=???????? SOLVE IT IF YOU CAN