x + 10 = 40 x 2
x + 10 = 80
x = 80 - 10
x = 70
x + 10 = 40 x 2
x + 10 = 80
x = 80 - 10
x = 70
x + 10 = 40 x 2
x + 10 = 40 x2
x + 10 = 80
x = 80 - 10
x = 70
x+10=40×2
x+10=80
x. =80-10
x. =70
X + 10 = 40 X 2
X + 10 = 80
X = 80 -10
X = 70
LÚC NÃY NHẤM
\(x+10=40.2\)
\(x+10=80\)
\(x=80-10\)
\(x=70\)
x + 10 = 40 x 2
x + 10 = 80
x = 80 - 10
x = 70
x+ 10 = 40 x 2
=> x+ 10 = 80
=> x= 70
đáp số x= 70
x + 10 = 40 x 2
x + 10 = 80
x = 80 - 10
x = 70