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Solve : 141x + 103y = 217; 103x + 141y = 27

Tutor

First add both equations, we'll get 244x+244y=244, Now, Divide this equation by 244, it gives x+y=1.....(a) Again, subtract equation 2 from 1, it gives 38x-38y=190, Now, divide this equation by 38,comes x-y=5.....(b) Now add equation (a)and(b), implies 2x=6 we get x=3 Now put the value of x in (a),... read more
First add both equations, we'll get 244x+244y=244, Now, Divide this equation by 244, it gives x+y=1.....(a) Again, subtract equation 2 from 1, it gives 38x-38y=190, Now, divide this equation by 38,comes x-y=5.....(b) Now add equation (a)and(b), implies 2x=6 we get x=3 Now put the value of x in (a),gives y=-2. read less

Tutor

X=3, Y=-2

B. Com. (Hons.), B. Ed.

Adding both equations we get 244x+244y=244 X+y=1. (3) Subtracting both equations we get 38x-38y=190 X-y=5. (4) Now by adding equations 3 & 4 we get 2x=6 => X=3 Substituting value of x in equation 3 we get 3+y=1 => Y=1-3 =>Y =-2 Sol x= 3 & y= -2

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Add both equations you will get x+y=1 Subtract both equatins will get x-y= 5 X=3 Y=2

Tutor

141x+103y=217 ..........(1) 103x+141y=27..............(2) Add (1) and (2). So, (1) + (2) is 244x + 244y=244 -> x + y=1 ................(3) Subtract (2) from (1). So, (1) - (2) gives 38x - 38y=190 -> x - y =5......................(4) Now, the two simplified equations are x + y = 1..........(3) x... read more
141x+103y=217 ..........(1) 103x+141y=27..............(2) Add (1) and (2). So, (1) + (2) is 244x + 244y=244 -> x + y=1 ................(3) Subtract (2) from (1). So, (1) - (2) gives 38x - 38y=190 -> x - y =5......................(4) Now, the two simplified equations are x + y = 1..........(3) x - y = 5...........(4) Adding (3) and (4), 2x = 6 or x = 3. Again, (3) - (4) gives 2y = -4 or y = -2. read less

Teacher

x=3 and y = -2

Teacher

are is 30 cm square

Progressive classes.

Let consider 141x + 103y = 217.....equation (1) 103x + 141y=27..equation(2) Multiple eq(1) by 103 we get.. 14523x + 10609y=22352..eq(3) Similarly multiple eq(2) by 141 we get.. 14523x + 19881y=3807..eq(4) Now solve eq 3 nd 4 14523x +10609y=22351 14523x+19881y=3807 - ... read more
Let consider 141x + 103y = 217.....equation (1) 103x + 141y=27..equation(2) Multiple eq(1) by 103 we get.. 14523x + 10609y=22352..eq(3) Similarly multiple eq(2) by 141 we get.. 14523x + 19881y=3807..eq(4) Now solve eq 3 nd 4 14523x +10609y=22351 14523x+19881y=3807 - - - ____________________ -9272y= 18544 Y= -2 Put y=-2 in eq (1) 141x + 103×(-2)=217 141x - 206=217 141x=206+217 141x=423 X=3 So we get X=3 & Y=-2 read less

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1/2*base*height =area 1/2*12*5=30

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