Question

resuelve las siguientes ecuaciones
5x -8 =32

15.5y +21.8=51.8

3 7
-- z+ _ =8
2 2

Answer 1

5x-8=32
5x=32+8
x=40/5
x=8

15.5y+21.8=51.8
15.5y=51.8-21.8
y=30/15.5
y=1.395