Question

If two-third of a number is 3 less than 9, the number is ​

Answer 1

Answer:

the no. is 18

Step-by-step explanation:

let the no. be x

2/3 of x -3=9

2x-9/3=9

2x-9=27

2x=36

x=18

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Answer 2

sᴏʟᴜᴛɪᴏɴ

Let the number be x

according to the question,

2x/3=9-3

or,2x/3=6

or,2x=6×3[multiplying both sides by 3]

or,2x=18

or,x=18/2[dividing both sides by 2]

or,x=9

prove the equation:-

two third of 9=2/3×9=2×3=6

according to the question,3 less than 9 is =9-3=6

so 6=6

equation is two type

1)linear equation

2) quadratic equation

linear equation is a type of equation whose two sides are equal

i.e LHS=Left hand side

RHS=Right hand side