lilxan1 lilxan1
  • 26-08-2019
  • Mathematics
contestada

3+r/-4=6 please answer

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 26-08-2019

Answer:

  r = -12

Step-by-step explanation:

[tex]3+\dfrac{r}{-4}=6\\\\\dfrac{r}{-4}=3 \qquad\text{subtract 3}\\\\r=-12 \qquad\text{multiply by -4}[/tex]

_____

If the numerator is (3+r), parentheses are needed. In that case, r=-27.

Answer Link
gmany
gmany gmany
  • 26-08-2019

Answer:

r = -27

Step-by-step explanation:

[tex]\dfrac{3+r}{-4}=6\qquad\text{multiply both sides by (-4)}\\\\(-4\!\!\!\!\diagup^1)\cdot\dfrac{3+r}{-4\!\!\!\!\diagup_1}=(-4)(6)\\\\3+r=-24\qquad\text{subtract 3 from both sides}\\\\3-3+r=-24-3\\\\r=-27[/tex]

Answer Link

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