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grin007 [14]
3 years ago
5

3. Sоlvе з+2У-1 and x-2y = 13. (D)хуху​

Mathematics
1 answer:
sp2606 [1]3 years ago
3 0

Answer:

The value of x and y for the given two linear equation is x = 7 , y = - 3

Step-by-step explanation:

Given two linear equation as :

x + 2 y - 1 = 0            

Or, x + 2 y = 1               ..........A

x - 2 y = 13                    ............B

Now, Solving both equations A and B

i.e (x + 2 y) + (x - 2 y) = 1 + 13

Or, (x + x) + (2 y - 2 y) = 14

Or, 2 x + 0 = 14

Or, 2 x = 14

∴ x = \dfrac{14}{2}

i.e x = 7

Now, Put the value of x into eq A

So, 7 + 2 y = 1

Or, 2 y = 1 - 7

Or, 2 y = - 6

∴  y = \dfrac{- 6}{2}

i.e y = - 3

So, The value s of x = 7 and y = - 3

Hence, The value of x and y for the given two linear equation is x = 7 ,          y = - 3 Answer

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