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Tonycoolkid21:
yes it is -4 can you explain
Rx1nyDxyz:
I can. 1st you subcract 16 from both sides of the equation. :
3x + 16 = 4
3x + 16 - 16 = 4 - 16
Rx1nyDxyz:
Next, you have to simplify.
Subtract the numbers.
3x + 16 - 16 = 4 - 16
3x = 4 - 16
3x = -12
Rx1nyDxyz:
Divide both sides of the equation by the same term.
3x = -12
3x/3 = -12/3
Rx1nyDxyz:
Now we have to simplify again.
We have to cancel the terms that are in both the numerator and denominator.
3x/3 = -12/3
x = -12/3
then we divide
x = -12/3
x = -4
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