Solve within Blink of an Eye #linearequations #shortvideo #tricks #shortvideo #cbse #icse

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[iBen-rypj]

I'll be the judge of whether is shorter or not

4 multiplications
2 additions/subtractions
1 division
total steps = 7

Elimination/Equating coefs. method

3 multiplications (only when coefs are not equal)
2 additions/subtractions
1 division (in case where the coef is not 1)
total steps = 6

Analysis specific to this particular set of equations.

[shabanasabir]

Sir jitna yad tha utna bhi bhul gyi thnx:)

[DailyyMemess]

0:48 how you got 4? I'm just confused please tell me ..

[RaviKumar-whsl]

Thank you so much sir I was very struggling before after watching ur video it is very easy. Thank you sir

[KaTheKingTPM]

THANK U!!! this is the best method I've seen so far.

[johnwakaba]

It is time saving it is the best short cut way thumbs up

[nmkzhdz]

TQ sir for giving this trick for maths students

[zyfcfbv]

Thanks for this trick Sir.. It is very useful for Competitive Exams ❤

[praisemusvaire-gsuy]

Thank you so much you saved my life 😊😊😊😊😊😊😊😊

[birdman]

Just multiply the 2nd equation by 7
and then add both equations. you get 17x=34 so x=2 Then substitute for y

[aryan]

Isse easy toh elimination aur substitution hi h 🙂

[AmitYadav-nnlz]

Better chose random options value.thrn put X and y in any of one equation .

[RinaMishra-rpcr]

Sir but i have do easily in mind with elimination
Just multiply 2nd equation with 17 and add them we get the ans

[DarkSoul-Games]

Cross multiplication is deleted portion...

[pprince]

We have marks for each methods in boars exams, so use the methods given in ncert books

[bhanuprakash.m]

First, multiply the two equations by necessary multiples such that the coefficients of y's in both equations are the same:

1. Multiply the second equation by 7:
14x + 7y = 7

2. Multiply the first equation by 1:
3x - 7y = 27

Now, add both equations to eliminate the y variable:
(14x + 7y) + (3x - 7y) = 7 + 27
14x + 3x = 34
17x = 34

Now, divide by 17:
x = 34/17
x = 2

Now that we have the value of x, substitute it into one of the original equations to find the value of y. Let's use the second equation:
2x + y = 1
2(2) + y = 1
4 + y = 1

Subtract 4 from both sides:
y = -3

So, the solution is x = 2 and y = -3.

[chocoholic]

This method is known as the " cross multiplication method"

[priyakumari-mkmn]

sir ye 2 kha se aaya 😂not that easy for us😭

[yuwfydo]

Yahi trick se sara samikaran ban jayega sir 🤔🤔

[SHADOW_ASSASSINS_ARMY]

SIR ITS TIME SAVING TRICK BUT SIR TEACHERS GIVE THE MARKS OF SOLUTION NOT THE TRICK