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

what is the value of b 2 - 4ac for the following equation? 2x^2 3x = -1 0 1 17
Ethan burns 659 calories when he runs for 1 hour. Suppose he runs for 5 houtse in one week. How many calories does Ethan burn in 5 hours?
primary capital of middle colonies
the core of an atom is the a. neutron. b. electron. c. nucleus.
True or false? A siesta is a nap in the middle of the day observed in the United States.
Flowers of orchid species Ophrys bombyliflora look and smell like female bumblebees. This attracts the male bumblebees flying nearby to the flowers. Thus, polle
The Polygons below are similar. Find the value of z. A. 4.5 B. 7.5 C. 12 D. 16
what is the tax on a bicycle that costs 235.00 if the tax rate is 5%? what is the total cost of the bicycle
Which data-gathering activity would be useful for a biomechanical analysis? creating a graph that compares the salaries of professional gymnasts comparing the
-12x 4y=-4 what is the soluition