5.(42-x)+15=50
=>5.(42-x)=50-15
=>5.(42-x)=35
=>42-x=35:5
=>42-x=7
=>x=42-7
=>x=35
5.(42-x)+15=50
=>5.(42-x)=50-15
=>5.(42-x)=35
=>42-x=35:5
=>42-x=7
=>x=42-7
=>x=35
5.(42-x)+15=50
=>5.(42-x)=50-15
=>5.(42-x)=35
=>42-x=35:5
=>42-x=7
=>x=42-7
=>x=35
5.(42-x)+15=50
=>5.(42-x)=50-15
=>5.(42-x)=35
=>42-x=35:5
=>42-x=7
=>x=42-7
=>x=35
5.(42 - x ) + 15 = 50
5 . ( 42 - x ) = 50- 15
5. ( 42 - x ) = 35
42 - x = 35 : 5
42 - x = 7
x = 42 -7
x = 36
5.(42-x)+15=50
=> 5.(42-x) = 50-15
=> 5.(42-x) = 35
=> 42-x = 35 : 5
=> 42-x = 7
=> x = 42-7
=> x =35
5.(42-x)+15=50
=>5.(42-x)=50-15
=>5.(42-x)=35
=>42-x=35:5
=>42-x=7
=>x=42-7
=>x=35
5.(42-x)+15=50
=>5.(42-x)=50-15
=>5.(42-x)=35
=>42-x=35:5
=>42-x=7
=>x=42-7
=>x=35
5.(42-x)+15=50
=>5.(42-x)=50-15
=>5.(42-x)=35
=>42-x=35:5
=>42-x=7
=>x=42-7
=>x=35
5.(42-x)+15=50
=> 5.(42-x) = 35
=> 42-x = 7
=> x = 35
x=35
k mk nha
chỉ ghi vậy thui trên có lời giải rùi
5.(42-x)+15=50
=>5.(42-x)=50-15
=>5.(42-x)=35
=>42-x=35:5
=>42-x=7
=>x=42-7
=>x=35
5. ( 42 - x ) + 15 = 50
=> 5. ( 42 - x ) = 50 - 15
=> 5, ( 42 - x ) = 35
=> 42 - x = 35 : 5
=> 42 - x = 7
=> x = 42 - 7
=> x = 35
k cho mình nhé
5.(42-x) +15=50
5.(42-x) = 50-15
5.(42-x)=35
42-x=35:5
42-x=7
x= 42-7
x=35
tk nhé
5.(42-x)+15=50
5.(42-x)=50-15
5.(42-x)=35
42-x=35:5
42-x = 7
x = 42 - 7
x = 35
5.(42-x)+15=50
5.(42-x)=50-15
5.(42-x)=35
42-x=35:5
42-x = 7
x = 42 - 7
x = 35