Question

x-18:3=12(x:3)-18=12(x-3):4=7(x:15)-3=25.4(x-25):9=034:(x-8)=34(x+4).16=80

 

 

Answer 1

1) x - 18 : 3 = 12

x - 6 = 12

x = 12 + 6 

x = 18

2) ( x : 3 ) - 18 = 12

x : 3 = 12 + 18

x : 3 = 30

x = 30 x 3

'x = 90

3) ( x - 3 ) : 4 = 7

x - 3 = 7 x 4

x - 3 = 28

x = 28 + 3 

x = 31

4 ) ( x : 15 ) - 3 = 25 x 4

( x : 15 ) - 3 = 100

x : 15 = 100 + 3

x : 15 = 103

x = 103 x 15

x = 1545

5) ( x - 25 ) : 9 = 0

x - 25 = 0 x 9

x - 25 = 0

x = 0 + 25

x = 25

6) 34 : ( x - 8 ) = 34

x - 8 = 34 : 34

x - 8 = 1

x = 1 + 8

x = 9

7) ( x + 4 ) x 16 = 80

x + 4 = 80 : 16

x + 4 = 5

x = 5 - 4

x = 1

Answer 2

\(1.x-18:3=12\)

\(x-18=12.3\)

\(x-18=36\)

\(x=36+18\)

\(x=54\)

Answer 3

x+3666=102364

Answer 4

\(2.\left(x:3\right)-18=12\)

\(\left(x:3\right)=12+18\)

\(\left(x:3\right)=30\)

\(x=30.3\)

\(x=90\)

Answer 5

1.x-18:3=12

=>x-6=12

=>x=12+6=18

vây: x=18

2.(x:3)-18=12

=>x:3=12+18

=>x:3=30

=>x=30*3=90

vậy: x=90

3.(x-3):4=7

=>x-3=7*4

=>x-3=28

=>x=28+3=31

vậy:x=31