Question

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

Answer 1

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)