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17-11-2020
Mathematics

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PLS HELP find the values of x, y and z..pls

PLS HELP find the values of x y and zpls class=

Respuesta :

17-11-2020

Step-by-step explanation:

8x-7+3x-11=180

11x-18=180

x=18

2y+23=4y+8

2y=15y=15/2

4y+8=3z²-5

y=15/2=> 30+8=3z²-5

43=3z²

z=±√(43/3)

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