m0ojord1barbury
m0ojord1barbury m0ojord1barbury
  • 03-02-2016
  • Mathematics
contestada

Solve the equation.
2(x + 4) = 30
A. 7
B. 11
C. 15
D. 19

Respuesta :

Neuron
Neuron Neuron
  • 03-02-2016
If you would like to solve the equation 2 * (x + 4) = 30, you can calculate this using the following steps:

2 * (x + 4) = 30
2 * x + 2 * 4 = 30
2 * x + 8 = 30
2 * x = 30 - 8
2 * x = 22    /2
x = 11

The correct result would be B. 11.
Answer Link
Leader
Leader Leader
  • 03-02-2016
[tex]2(x+4)=30\\\\Divide\ by\ 2\ on\ both\ sides.\\\\x+4=15\\\\Subtract\ 4\ on\ both\ sides.\\\\{\boxed{x=11}[/tex]

ANSWER: B
Answer Link

Otras preguntas

you have two friends pay $40 for tickets. the cost was divided three ways in the ratio 1 : 3: 6. how much did each person pay?
in order to draw a conclusion, scientists must_______ data from an investigation
Which descriptions from the list below accurately describe the relationship between ABC and DEF? Check all that apply. A. Same area B. Same size C. Con
1 1/4% 0f what equals 1.5
50 boxes of ice cream bars with 12 bars in each box if 520 people had ice cream bars how many are left
2[39/(16-12*4)+(9+6*3*7]
Which of the following is an example of an organism maintaining homeostasis? A. a boy riding a bike B. a cat grooming itself C. a bear nursing her cubs D.
you go to the vending machine to get a drink and look at the options. which option will most likely have the greatest number of calori? a. coffee b. juice c. wa
what is44mi/h converted to yd/min
when did George Washington die