128 * 3 ( x4 ) - 23
Tìm x, biết:
215+3:|x4−|−23||=6215+3:|x4−|−23||=6
?
(-2)5+[(-7)3:49+23]:(-2)
128(278-302)+278(302-128)
2xx4=128
2xx4=128
2x = 128 : 4
2x = 32
2x = 25
=> x = 5
Vậy: x = 5
2x x 4 = 128
2x = 128 : 4
2x = 32
2x = 25
\(\Rightarrow\)x = 5
128 – 3(x + 4) = 23
128 – 3(x + 4) = 23
3.(x + 4) = 128 – 23
3.(x + 4) = 105
x + 4 = 105 : 3
x + 4 = 35
x = 35 – 4
x = 31
`128-3(x+4)=23`
`3(x+4)=128-23`
`3(x+4)=105`
`x+4=105:3=35`
`x=35-4=31`
3 x (x + 4) = 128 - 23
3 x (x + 4) = 105
x + 4 = 105 : 3
x+4=35
x=35-4
x=31
128-3.(x+4)=23
128 - 3 ( x + 4 ) = 23
3( x + 4 ) = 128 - 23 = 105
x + 4 = 105 : 3 = 35
x = 35 - 4 = 31
128-3.(x+4)=23
=> 3.(x+4)=128-23
=> 3.(x+4)=105
=> x+4=105:3
=> x+4=35
=> x=35-4
=> x=31
128-3.(x+4)=23
128 - 3(x + 4) = 23
\(\Leftrightarrow\)3(x + 4) = 128 - 23 = 105
\(\Leftrightarrow\)x + 4 = 105 : 3 = 35
\(\Leftrightarrow\)x = 35 - 4 = 31
Vậy x = 31
128-3.(x+4)=23
3.(x+4)=128-23
3.(x+4)=105
x+4=105:3
x+4=35
x=35-4
x=31
128-3.(x+4)=23
3.(x+4)=128-23
3.(x+4)=105
x+4=105:3
x+4=35
x=35-4
x=31
OK k mk nha
128-3(X+4)=23
128-3.(x+4)=23
128 - 3. ( x + 4 ) = 23
3 . ( x + 4 ) =128 - 23
3 . ( x + 4 ) = 105
x + 4 = 105 : 3
x + 4 = 35
x = 35 - 4
x = 31
128 - 3 . ( x + 4 ) = 23
3 . ( x + 4 ) = 128 - 23
3 . ( x + 4 ) = 105
x + 4 = 105 : 3
x + 4 = 35
x = 35 - 4
x = 31
kick mk đi mk kick lại
128-3.[x+4] bằng 23
3.[x+4] bằng 128-23
3.[x+4] bằng 105
[x+4] bằng 105:3
x+4 bằng 35
x bằng 35-4
x bằng 31
Vậy x bằng 31
128 - 3 . ( x + 4 ) = 23
128 - 3 . ( x + 4 ) = 23
=> 3 . (x + 4) = 105
=> x + 4 = 35
=> x = 31