Question

565-13.x=370

105-(135-7x):9=97

giúp mình giải với

 

Answer 1

\(565-13x=370\\ 13x=565-370=195\\x=\dfrac{195}{13}=15\)

\(105-\left(135-7x\right):9=97\\ \dfrac{135-7x}{9}=105-97=8\\ 135-7x=9.8=72\\ 7x=135-72=63\\ x=\dfrac{63}{7}=9\)

Answer 2

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Answer 3

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Answer 4

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