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

Instruction: Drag the tiles to the boxes to form correct pairs. Not all tiles will be used. Match each pair of points A and B to point C such that the measure
Tom injured his arm while playing. During the examination, bleeding close to the lining of the bone was observed. What is the name of the part that covers the b
In 10 minutes a heart can beat 700 times. At what rate can a heart beat?
Please answer and explain why. I'm confused, and I don't want just the answer. Read the passage. . . .but if a thief break into my house, burn and destroy my p
When did Ronald Reagan first gain widespread support for his political views?
help asap i need help ill give brainlist!!
Which earth material had the highest porosity
I just need help with problem 14 and 15
A 0.02877 g sample of gas occupies 10.0-ml at 289.0 k and 1.10 atm. upon further analysis, the compound is found to be 38.734% c and 61.266% f. what is the mole
Which claim would most likely be considered valid?