Câu hỏi của Lê Trọng Toàn

Question

Tryechun🥶 · Accepted Answer

`a) 5(x-9)=350``=>x-9=350:5``=>x-9=70``=>x=70+9``=>x=79``b)4x+2x=68-2^3``=>6x=68-8``=>6x=60``=>x=60:6``=>x=10``c)x^700 =x``=>x={1;0}`Câu trả lời: `a) 5(x-9)=350``=>x-9=350:5``=>x-9=70``=>x=70+9``=>x=79``b)4x+2x=68-2^3``=>6x=68-8``=>6x=60``=>x=60:6``=>x=10``c)x^700 =x``=>x={1;0}`

minh · Answer

a)5(x−9)=350a)5(x-9)=350⇒x−9=350:5⇒x-9=350:5⇒x−9=70⇒x-9=70⇒x=70+9⇒x=70+9⇒x=79⇒x=79b)4x+2x=68−23b)4x+2x=68-23⇒6x=68−8⇒6x=68-8⇒6x=60⇒6x=60⇒x=60:6⇒x=60:6⇒x=10⇒x=10c)x700=xc)x700=x⇒x={1;0}Câu trả lời: a)5(x−9)=350a)5(x-9)=350⇒x−9=350:5⇒x-9=350:5⇒x−9=70⇒x-9=70⇒x=70+9⇒x=70+9⇒x=79⇒x=79b)4x+2x=68−23b)4x+2x=68-23⇒6x=68−8⇒6x=68-8⇒6x=60⇒6x=60⇒x=60:6⇒x=60:6⇒x=10⇒x=10c)x700=xc)x700=x⇒x={1;0}

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