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

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