shanteJ shanteJ
  • 23-09-2016
  • Mathematics
contestada

3 times a number plus 12 minus 5 times the same number is 22

Respuesta :

bennyvym bennyvym
  • 23-09-2016
(3x+12)-5x=22
-15x^2-60x=22
-15x^2-60x-22=0
x=-b/2a
x=60/-30
x=-2
Answer Link

Otras preguntas

help, please the question and thank you
Solve the equation for x. 2x+6=8y-4 Thanks!
Do these data suggest an association between age and experiencing side affects ?
Exponent write each power as a product of the same factor. Then fine the value 1.1^4=?×?×?×?=??​
help me pls ! it’s 12 am i need to stay up and finish
[tex]help \: [/tex]define anything..don't spam. ​
Based on Nekari’s experiment, slow lorises use their venom to
If £2000 is placed into a bank account that pays 3% compound interest per year, how much will be in the account after 2 years?
help, please the question and thank you
What influenced the goals of the revolution when people brought back news and ideas from France