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(6.X-39):3=201
=>6.X-39=201:3
=>6.X-39=67
=>6.X=67+39
=>6.X=106
=>X=106:6
=>X=53/3
(6x-39):3=201
6x-39=201*3
6x-39=603
6x=603+39
6x=642
x=642:6
x=107
( 6x - 39) : 3 = 201
\(\Leftrightarrow6x-39=603\)
\(\Leftrightarrow6x=642\)
\(\Leftrightarrow x=107\)
23+3x=56:53
\(\Leftrightarrow23+3x=5^3\)
\(\Leftrightarrow3x=125-23\)
\(\Leftrightarrow3x=102\)
\(\Leftrightarrow x=34\)
\(\left(6x-39\right)\div3=201\)
\(6x-39=201.3\)
\(6x-39=603\)
\(6x=603+39=642\)
\(\Rightarrow x=642\div6=107\)
\(23+3x=5^6\div5^3\)
\(23+3x=5^{6-3}\)
\(23+3x=5^3=125\)
\(3x=125-23\)
\(3x=102\)
\(\Rightarrow x=34\)
\(541+\left(218-x\right)=735\)
\(218-x=735-541\)
\(218-x=194\)
\(x=218-194\)
\(x=24\)
\(5\left(x+35\right)=515\)
\(x+35=515\div5\)
\(x+35=103\)
\(x=103-35\)
\(x=68\)
(6x - 39):3=201
6x:3 - 39 :3=201
2x - 13 =201
2x=201+13
2x=214
x=214:2
x=107
Ta có: (6x – 39) : 3 = 201
6x – 39 = 201 . 3
6x – 39 = 603
6x = 603 + 39
6x = 642
x = 642 : 6
x = 107
X x 13 = 39
X = 39 : 13
X = 3
( x - 15 ) - 75 = 0
x - 15 = 0 + 75
x - 15 = 75
x = 75 + 15
x = 90
6x - 39 = 201
6x = 201 + 39
6x = 240
x = 40
X x 13 = 39
X = 39 : 13
X = 3
( x - 15 ) - 75 = 0
x - 15 = 0 + 75
x - 15 = 75
x = 75 + 15
x = 90
6x - 39 = 201
6x = 201 + 39
6x = 240
x = 240 : 6
x = 40
575 - ( 6x +70 ) = 445
6x + 70 = 575 - 445
6x + 70 = 130
6x = 130 - 70
6x = 60
x = 60 : 6
x = 10
(6x - 39) : 3 = 201
6x - 39 = 201 . 3
6x - 39 = 603
6x = 603 + 39
6x = 642
x = 642 : 6
x = 107
(6x - 39 ) : 3 = 201
6x - 39 = 201 x 3
6x - 39 =603
6x = 603 + 39
6x =642
6x =107
\(\left(6x-39\right):3=201\)
\(6x-39=201\times3\)
\(6x-39=603\)
\(6x=603+39\)
\(6x=642\)
\(6x=642:6\)
\(6x=107\)