Question

X x 62 - X x 52 = 420 tính giùm mik tik cho
 

Answer 1

X x 62 - X x 52 = 420

X x ( 62 - 52 )   = 420

X x 10 = 420

       X = 420 : 10

       X = 42

Answer 2

X x 62 -X x52=420

X x (62-52)=420

X x10=420

=>x=42

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Answer 3

10x=420

x=42

Answer 4

Xx(62-52)=420

Xx   10     =420

X              =420:10

X              =42

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Answer 5

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Answer 6

x * 62 - x * 52 = 420

x * ( 62 - 52 ) = 420

x * 10 = 420

x = 420 : 10

x = 42

Answer 7

X x 62 - X x 52 = 420

   X x ( 62 - 52) = 420

             X x 10 = 420

                     X = 420 : 10

                     X = 42