21dferrell 21dferrell

26-11-2018
Mathematics

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what is the vaule of x in the equation 3x-4y=65, when y =4

Respuesta :

itmye84 itmye84

26-11-2018

Since you know y = 4, plug in 4 for "y" in the equation

3x - 4y = 65

3x - 4(4) = 65

3x - 16 = 65 Add 16 on both sides

3x = 81 Divide 3 on both sides

x = 27

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