helpPlzPlz
helpPlzPlz helpPlzPlz
  • 03-08-2016
  • Mathematics
contestada

2(2x - 4) + x = 7

whats x?

Respuesta :

Аноним Аноним
  • 03-08-2016
2(2x-4)+x=7
= 4x-8+x=7
= 4x+x-8=7
= 5x=7+8
= 5x=15                     dividing both sides by 5
= x=15/5
= x=3
so x is 3
Answer Link

Otras preguntas

Hemophilia is a trait that is inherited, sex-linked and
What is a quartic function with only the two real zeros given? x = -4 and x = -1
What does hamlet's expression of concern about the child actors used in the city contribute?
Definition of split infinitives
A uniform distribution is defined over the interval from 6 to 10. a. what are the values for a and b?
Which cell structure is responsible for breaking down sugar molecules in order to supply energy to the cell?
Why was darwins work on the galopagose islands so ground breaking
Which nations provided military aid to north vietnam during the vietnam war?a:china and franceb:the united states and francec:the soviet union and the united st
my answer is c Which is an example of a structural adaptation of a lion? A. is protective over cubs B. is territorial over hunting grounds C. has strong leg
Plant material accumulated in these areas of indiana and eventually became the source of indiana’s abundant