12 + x - 50 = 10
12 + x = 10 + 50
12 + x = 60
x = 60 - 12
x = 48
12 + x - 50 = 10
12 + x = 60
x = 60 - 12
x = 48
\(12+x-50=10\)
\(12+x=10+50\)
\(12+x=60\)
\(x=60-12\)
\(x=48\)
12+x-50=10
12+x =50+10
12+x =60
x =60-12
x =48.
12 + x - 50 = 10
12 + x = 10 + 50
12 + x = 60
x = 60 - 12
x = 48
12 + x - 50 = 10
12 + x = 10 + 50
12 + x = 60
x = 60 - 12
x = 48
12 + x = 10 + 50
12 + x = 60
x = 60 - 12
x = 48
12 + x - 50 = 10
12 + x = 10 + 50
12 + x = 60
x = 60 - 12
x = 48
hoặc : 12 + x - 50 = 10
x - 50 = 10 - 12
x - 50 = -2
x = -2 + 50
x = 48
12+x-50=10 12+x=10+50=60 x=60-12 x=48