bulmertristan bulmertristan
  • 25-11-2020
  • Mathematics
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Given that R= 4x +6y find x when y= 4 and R=11

Respuesta :

absor201
absor201 absor201
  • 26-11-2020

Answer:

The value of x:

  • [tex]x=-\frac{13}{4}[/tex]

Step-by-step explanation:

Given the equation

[tex]R=4x+6y[/tex]

substituting the values y=4 and R=11

[tex]R=4x+6y[/tex]

[tex]11=4x+6\left(4\right)[/tex]

[tex]11=4x+24[/tex]

[tex]11-24=4x[/tex]

switching the sides

[tex]4x=11-24[/tex]

Subtract the numbers: 11-24=-13

[tex]4x=-13[/tex]

Divide both sides by 4

[tex]\frac{4x}{4}=\frac{-13}{4}[/tex]

[tex]x=-\frac{13}{4}[/tex]

Therefore, the value of x:

  • [tex]x=-\frac{13}{4}[/tex]
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