Question

X x 3,5 + 412= 454

Answer 1

X x 3,5 = 454 - 412

X x 3,5 = 42

x          = 42 : 3,5

x          = 12  

Answer 2

x*3.5+412=454

x*3.5=454-412

x*3.5=42

x= 42:3.5

x=12

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Answer 3

X x 3,5 + 412=454

X x 3,5 = 454 - 412

X x 3,5= 42

x= 42 : 3,5

x= 12

Answer 4

\(x\times3,5+412=454\)

\(x\times3,5=454-412\)

\(x\times3,5=42\)

\(x=42:3,5\)

\(x=12\)

Answer 5

Xx3.5+412=454

Xx3.5=454-412

Xx3.5=42

X=42:3.5

X=12

Answer 6

X x 3.5 + 412 = 454

=> X x 3.b5 = 454 - 412

=> X x 3.5 = 42

=> X = 42 : 3

=> X =  14

Vậy X = 14