👤

dau coroana

a). x + 16 - 30=-5
b).- (2-3) + x =21
c). X-(6-24) = 0
d). x +(-5 + 1)-6=-(-7)+1
e). x + (-6)-(-7)=-1-2-(3-1)]
d).-2-(4 - 3)-(3 - 4) +x=-(32