Question

determinati pe x din:
a) 80-(30+10-x)=60
va rog ajutatima si la b,c,d,e,f,

Answer 1

80-(30+10-x)=60
80-(40-x)=60
x=60+40-80
x=20

Answer 2

a) 80-(30+10-x)=60
80-40+x=60
x=60-40
x=20