Rainbowcloudycupcake
Rainbowcloudycupcake Rainbowcloudycupcake
  • 03-05-2016
  • Mathematics
contestada

what is the value of 7x-2x+3,when x=2

Respuesta :

EmoAngel
EmoAngel EmoAngel
  • 03-05-2016
Well if x = 2, then you do 7 times 2, which is 14, then 2 times 2 which is 4, then 14 minus 4 is 10, and 10 plus 3 is 13.
Answer Link
ameliaholt
ameliaholt ameliaholt
  • 03-05-2016
BIDMAS

2x = 4 
4 + 3 = 7
7x = 14
14 - 7 = 7
Answer Link

Otras preguntas

is ammonia a homogeneous mixture?
True or false The Federal Reserve Bank is responsible for minting new coins.
Differentiate each function. Do not expand an expression before differentiating. a)f(x)=(2x+3)^4
A character’s motivation — a. is a result of his or her actions b. must sometimes be inferred c. is dependent on the story’s point of view d. never changes i
what is 3,397 rounded yo the nearest thousand
Personification for the big bear
Currently, Earth's tilt is closest to _____. A. 0° B. 14.5° C. 23.5° D. none of these because, Earth's tilt changes dramatically with each orbit
David and Sue are playing a card game. David’s score is –12. David’s and Sue’s scores differ by 7 points. Which expressions could represent Sue’s score? Choose
Which of the following arguments correctly justifies the second step of the flow proof of the triangle angle sum theorem below
which substance cannot be broken down by a chemical change? 1) ammonia 2) ethanol 3) propanol 4) zirconium