Giúp mình nhoa Tìm xa) \(x\) x 2015 = 2015 x 2016 b) (\(x\) x 0,25 +2013 ) x 2014 = ( 53 + 2013 ) x 2014c) 71 + 65 x 4 = \(\frac{x+140}{x}\)+ 260 d) 583 - \(x\) = 237 e) \(x\)- 836 = 575g) 142 x \(x\)= 3692h) 8928 : \(x\) = 124i) \(x\) : 34 = 168g) 142 x \(x\) =...
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Giúp mình nhoa
Tìm x
a) \(x\) x 2015 = 2015 x 2016
b) (\(x\) x 0,25 +2013 ) x 2014 = ( 53 + 2013 ) x 2014
c) 71 + 65 x 4 = \(\frac{x+140}{x}\)+ 260
d) 583 - \(x\) = 237
e) \(x\)- 836 = 575
g) 142 x \(x\)= 3692
h) 8928 : \(x\) = 124
i) \(x\) : 34 = 168
g) 142 x \(x\) = 3692
a/ x = (2015 . 2016) : 2015 =2016
b/ 503.5x + 2014 . 2013 = 106742 + 2014 . 2013 => 503.5x = 106742 => x = 212
c/ 71x + 260x = x+ 140 + 260x => 70x = 140 => x= 2
d/ x = 583 - 237 = 346
e/ x = 575 + 836 = 1411
g/ x = 3692 : 142 = 26
h/ x = 8928 : 124 = 72
i/ x = 168 . 34 = 5712
g/ x = 3692 : 142 = 26