x+5+5 =150 =>x +10 = 150 =>x = 150 -10 =>x = 140
x+5+5=150
=> x+(5.2)=150
=> x+10=150
=> x=150-10
=> x=140
x + 5 + 5 = 150
x + 5 = 150 - 5
x + 5 = 145
x = 145 - 5
x = 140
nha bn
x+5+5=150
x+5=150-5
x+5=145
x=145-5
x=140
ai k tui k lại!
x+5+5=150
x+5 =150-5
x+5 =145
x =145-5
x =140
\(x+5+5=150\)
\(x+5\) \(=150-5\)
\(x+5\) \(=145\)
\(x=145-5\)
\(x=140\)
x + 5 + 5 = 150
x + 10 = 150
x = 150 - 10
x = 140