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

If a pizza costs 2.85 to make and customer pays 8.95 how much profit have I made as a percentage
What is the value of x? A right triangle with a short leg measuring 5, a long leg measuring 5, and the hypotenuse as x.A. 10 B. 5C. [tex] 2\sqrt5 [/tex]D. [tex
what did anna sofia nysten do after the titanic sinking
The last of Wilson's Fourteen Points called for
Suppose x + y = 6 and xy = 4. Find the value of x² y + xy² without solving the equations.
fun facts about Uranus the planet?
11. Consider the elements neon, bromine, and phosphorus. Which has five electrons in its 4p sublevel?
How do you solve x²-10x+9=0 by completing the square?
how do you say I want a bowl of soup in spanish
Indicate true or false as to whether the following equation is quadratic 2x-4x+1=0