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X+Y=14 and X-y =4

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X+Y=14 and X-y =4

Posted by Once Time Of Our In City 5 years, 4 months ago

CBSE > Class 10 > Mathematics

1 answers

Yogita Ingle 5 years, 4 months ago

Given=> x + y = 14. .... equation 1
x - y = 4. ...... equation 2

Now, we will solve it by substitution method;

Let's take equation 1 =>
x + y = 14
x = 14 - y

Put the value of x in equation 2=>

x - y = 4
=> 14 - y - y = 4
=> 2y = 14 - 4
=> y = 10/2
=> y = 5

Now, put the value of y in equation 1 =>

x + y = 14
=> x + 5 = 14
=> x = 9

Therefore the value of x = 9 and y = 5

0Thank You

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Posted by Kanika . 6 days, 8 hours ago

CBSE > Class 10 > Mathematics