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  • 02-01-2018
  • Mathematics
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find the value of 4x-8 given that 3x-2=7

Respuesta :

shawnkat
shawnkat shawnkat
  • 02-01-2018
Hey there!
In order to simplify 4x-8, we need a value of x.
In order to find one, we will just isolate x in the equation that we are given.
We have:
3x-2=7
Add two to both sides
3x=9
Divide both sides by 3
x=3

Now, we'll plug 3 in to 4x-8. Therefore, we have:

4(3)-8 =
12-8 =
4
Hope this helps!
Answer Link

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