a)(x-47)-115=0
x-47=0+115
x=115+47
x=162
a) (x - 47) - 115 = 0
\(\Rightarrow\)x - 47 - 115 = 0
\(\Rightarrow\)x - 162 = 0
\(\Rightarrow\)x = 0 + 162 = 162
Vậy giá trị của x là 162
b) 315 + (146 - x) = 401
\(\Rightarrow\)146 - x = 401 - 315 = 86
\(\Rightarrow\)x = 146 - 86 = 60
Vậy giá trị của x là 60
a) (x - 47) - 115 = 0
x - 47 = 0 + 115
x - 47 = 115
x= 115 + 47
x = 162
b) 315 + (146 - x) = 401
146 - x = 401 - 315
146 - x = 86
x = 146 - 86
x = 60
a. (x-47) - 115 = 0 b. 315 + (146 - x)=401
x-47 =115 146-x =86
x =162 x =60
(x-47)-115=0
x-47=0+115
x-47=115
x =115+47
x =162
315+(146-x)=401
146-x=401-315
146-x=86
x=146-86
x=60
(x—47)—115=0
x—47=115
x=115+47
x=162
x = 60 nha
.............
k nhé
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๖ۣۜA ๖ۣۜB ๖ۣۜC ๖ۣۜD ๖ۣۜE ๖ۣۜF ๖ۣۜG ๖ۣۜH ๖ۣۜI ๖ۣۜJ ๖ۣۜK ๖ۣۜL
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a,(x-47)-115=0
,(x-47)=0+115
x-47=115
x =115+47
x =162
b,315 +(146-x)=401
,(146-x) =401-315
146-x =84
x=146-84
x =62
TRả lời :.............................
x=622............................
Hk otots..............................
\(\left(x-47\right)-115=0\)
\(\Rightarrow x-47=115\)
\(\Rightarrow x=162\)
^hok tốt^
\(315+\left(146-x\right)=401\)
\(\Rightarrow315+146-x=401\)
\(\Rightarrow461-x=401\)
\(\Rightarrow461-401=x\)
\(\Rightarrow x=60\)