Respuesta :

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X=27

Step by step
3x-4y=65. Y=4

3x-(4x4)=65

3x-16=65

3x=65+16

3x=81

X=81/3

X=27

Answer:

x = 27

Step-by-step explanation:

3x - 4y = 65

When y = 4;



3x - 4(4) = 65

3x - 16 = 65

3x = 65 + 16

3x = 81

x = 81/3

x = 27

Hence, value of x is 27.