arreola121903
arreola121903 arreola121903
  • 13-02-2018
  • Mathematics
contestada

i need help plez and show work

i need help plez and show work class=

Respuesta :

Kaikerscupcake
Kaikerscupcake Kaikerscupcake
  • 13-02-2018
Hey there! :D

3(2+5x)=

Plug in 3 as x.

3(2+5(3))=

3(2+15)

6+45

51 is the answer.

We can always check this by plugging it in and solving for x.

3(2+5x)=51
6+15x=51
15x=45
x=3  <== this works

I hope this helps!
~kaikers
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