Question

Tìm x , biết : 
a) 2(x - 51) = 7⁸³ : 7⁸² + 20010
b) x - 4x = 1 + 600 : (-6)
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Answer 1

\(a,\Rightarrow2\left(x-51\right)=7+20010=20017\\ \Rightarrow x-51=\dfrac{20017}{2}\\ \Rightarrow x=\dfrac{20119}{2}\\ b,\Rightarrow-3x=1-100=-99\\ \Rightarrow x=33\)