Explicație pas cu pas:
a)
[tex]24,43-x=8,938 \\ x = 24,43 - 8,938 \\ x = 15,492[/tex]
b)
[tex]7,28+x=132,57 \\ x = 132,57 - 7,28 \\ x = 125,29[/tex]
c)
[tex]x-37,5=132,04 \\ x = 132,04 + 37,5 \\ x = 169,54[/tex]
d)
[tex]x+4=27,5 \\ x = 27,5 - 4 \\ x = 23,5[/tex]