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07-03-2016
Mathematics

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What is the value of x in the equation 3x-4y=65 when y =4

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Willchemistry Willchemistry

07-03-2016

3 x - 4 y = 65

Refine :

3 x - 4 * 4 = 65

3 x - 16 = 65

Add 16 to both sides :

3 x - 16 + 16 = 65 + 16

3 x = 81

Divide both sides by 3 :

3 x / 3 = 81 / 3

x = 81 / 3

x = 27

hope this helps!

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