4lzha008 4lzha008
  • 18-07-2022
  • Mathematics
contestada

3 multiply by what is equal to 30 plus what

Respuesta :

Aisin
Aisin Aisin
  • 18-07-2022

Call the hidden variable here "x"

3x = 30 + x
3x - (30 + x) = 0
3x - 30 - x = 0
2x - 30 = 0
x = 30 : 2 = 15

Recheck : 3 x 15 = 30 + 15 -> 45 = 45 (true)

Answer Link

Otras preguntas

Why were the early discoveries of the scientific revolution met with such resistance?
it's a math problem subtracting unlikely fractions 14 / 2 - 9 / 8
Why would river travel be more ideal than overland routes? cheaper faster safer more comfortable
Brainliest for best answer! Thanks!
What’s the keyboard command that will allow you to copy text
The first inhabitants of Oceania are believed to have come from which continent? A. Europe B. Asia C. Africa D. South America
write 3×1/6 in simplest form
what milestone did the equal rights amendment achieve in 1972
how did the geography affect farming in each of the three colonial regions
there are 10 seniors, 8 juniors, 5 sophomores, and 3 freshmen on a student council. a committee of 6 members is formed. determine the number of ways to form thi