Seudónimo Seudónimo
  • 04-04-2015
  • Mathematics
contestada

72 - (blank) + 20 = 70 what number is the blank

Respuesta :

iloveonedirection
iloveonedirection iloveonedirection
  • 04-04-2015
[tex]72-x+20=70 \\ \\ 92-x=70 \\ \\ -x=-22 \\ \\ x=22 \\ \\ blank=22[/tex]
Answer Link
Аноним Аноним
  • 05-04-2015
[tex]72-x+20=70 \\ -x+92=70 \\ -x+92-92=70-92[/tex]

Divide both sides by -1

[tex] \frac{-x}{-1} = \frac{-22}{-1} =22[/tex]
Answer Link

Otras preguntas

[(3a+b)-2]^2 find the product
You made a 100.0 mL of a lead(II) nitrate solution for lab but forgot to cap it. The next lab session you noticed that there was only 80.0 mL left (the rest had
$1200 at 5.6% for 4 years find the balance (new amount)
What you find the area of the following parallelogram, what units should you use?A.) mmB.) mm^2 C.) cmD.) cm^2
On a piece of paper, graph y-3>2x+2
The average dosage of oxcarbazepine for an epileptic child between the ages of 4 and 16 is 9.00 mg per 1 kg of body weight (9.00 mg/kg). Calculate how many mill
what is 25% of 33??? explain how
What is the probability of getting a 70 on a a. True b. False test were you guess?
How can graphics and/or statistics be used to misrepresent data? where have you seen this done?
what is the area of a circle with a 5 ft diameter