Math, asked by deep6173, 1 year ago

substitution method
3x+y=11
x-y=1
​

Answers

Answered by hrithik2463
1

Step-by-step explanation:

3x+y=11

X. -y=1

-Y+y is cut....

4x=12

x=12/4

X=3....

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Answered by rohan3694
1

Step-by-step explanation:

3x+y=11 _ (i)

x-y=1 _ (ii)

adding equation (I) and (ii)

3x+y=11

x - y = 1

4x = 12

x= 12÷4

x= 3

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