kkelizabeth2016
kkelizabeth2016 kkelizabeth2016
  • 16-05-2017
  • Mathematics
contestada

Two-Step Equations

2x - 12 = 14 What is the solution to the equation?

A: X=1
B: X= -1.4
C: X= 26
D: X= 13

Respuesta :

jojjoj jojjoj
  • 16-05-2017
2x - 12 = 14

Add 12 to both sides of the = sign to get rid of the "-12".

2x - 12 + 12 = 14 + 12
2x = 26

Now divide both sides by 2 to isolate the x

2x / 2 = 26 / 2
x = 13.

The solution is x = 13.

Hope this helps!

Let me know if there's anything you're still confused about and I'll try to help you out.

Solving for x like this is definitely something you want to master and be able to do on your own, because you'll be doing it in future math.
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