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124 + ( 118 - x ) = 217
118 - x = 217 - 124
118 - x = 93
x = 118 - 93
x = 25
=========
118 - x = 217 - 124
118 - x = 83
x = 118 - 83
x = 45
h) \(124+\left(118-x\right)=217\Rightarrow118-x=217-124\Rightarrow118-x=93\Rightarrow x=118-93\Rightarrow\)\(x=25\)
Vậy \(x=25\)
i) \(156-\left(x+61\right)=82\)\(\Rightarrow x+61=156-82\Rightarrow x+61=74\Rightarrow x=74-61\)\(\Rightarrow x=13\)
Vậy \(x=13\)
h) 124+(118-x)=217
118-x=217-124
118-x=93
x=118-93
x=25
i) 156-(x+61)=82
x+61=156-82
x+61=74
x =74-61
x =13
(x-35)-120=0
x-35 = 0 + 120
x-35 = 120
x = 120 + 35
x = 155
124+(118-x)=217
118-x = 217-124
118-x = 93
x = 118 - 93
x = 25
156-(x+61)=82
x + 61=156-82
x+61 = 74
x = 74 - 61
x = 13
(x-35)-120=0
x-35 = 0+120
x-35 = 120
x = 120-35
x = 85
124 + (118-x)=217
118-x=217-124
118-x=93
x=118-93
x=25
156-(x+61)=82
x+161=156-82
x+161=74
x=161-74
x=87
do la bai cua minh,co cho sai nao thi sua cho minh nhe
124 + (118 – x ) = 217
118 – x = 217 – 124
118 – x = 93
x = 118 – 93
x = 25.
124+(118-x)=217
118-x = 217 - 124
118-x = 93
x = 118 - 93
x = 25
Vậy ...
a)
(x-35)-120=0
=>x-35=0+120
=>x-35=120
=>x=120-35
=>x=85
b)
124+(118-x)=217
=>118-x=217-124
=>118-x=93
=>x=118-93
=>x=25
c) 125-(x+61)=82
=>x+61=125-82
=>x+61=43
=>x= 43-61
=>x= -18
a)
(x-35)-120=0
=>x-35=0+120
=>x-35=120
=>x=120-35
=>x=85
b)
124+(118-x)=217
=>118-x=217-124
=>118-x=93
=>x=118-93
=>x=25
c) 125-(x+61)=82
=>x+61=125-82
=>x+61=43
=>x= 43-61
=>x= -18
a) ( x - 35 ) - 120 = 0
<=> x - 35 = 120
<=> x = 155
b) 124 + ( 118 - x ) = 217
<=> 118 - x = 93
<=> x = 25
124+(118-x)=217
(118-x)=217-124
(118-x)=93
x=118-93
x=25
Kết quả:25
124+(118-x)=217
118-x=217-124
118-x=93
-x=93-118
-x = -25
x=25