mrsmed06
mrsmed06 mrsmed06
  • 01-02-2020
  • Mathematics
contestada

if x-1=0 and y+3=0, what is the value of x-y?​

Respuesta :

bayosanuade
bayosanuade bayosanuade
  • 01-02-2020

Answer: [tex]x - y = 4[/tex]

Step-by-step explanation:

[tex]x - 1 = 0[/tex]

Add 1 to both sides of the equation , that is

[tex]x - 1 + 1 = 0 + 1[/tex]

[tex]x = 1[/tex]

Also

[tex]y + 3 = 0[/tex]

subtract 3 from both sides of the equation , that is

[tex]y + 3 - 3 = 0 - 3[/tex]

[tex]y = -3[/tex]

Therefore :

[tex]x - y = 1 - (-3)[/tex]

[tex]x - y = 1 + 3[/tex]

[tex]x - y = 4[/tex]

Answer Link
emma7890 emma7890
  • 01-02-2020

Answer:

4

Step-by-step explanation:

x is 1

y is -3

1- - 3 is 1+3 which is 4

Answer Link

Otras preguntas

Whats the difference between high-use academic words and key terms?
A hypothesis must be testable and falsifiable to be scientifically valid. Being testable and falsifiable means that __________.
A car brakes from 19 m/s to a stop in 40 meters. What is the acceleration of the car?
Here is a list of numbers. -8, -5, -3,-2,0,2,4,9(a) Write down two numbers from the list that have a difference of 10.​
You test-cross plants you suspect to be AaBb dihybrids and look at 100 offspring, with the following results: Phenotype AB 22 Ab 28 aB 29 ab 21 100 total1. You
Did the Europeans refused to trade with American Indians who did not convert to Christianity.
What people influenced the maya?
Describe the effect of an enzyme in lowering the activation energy.
Please help me! I am so bad at math. 7(6+5x)=3x-22
Why did the Spanish establish missions on Georgia's barrier islands?