Question

by equating coefficients of variables solve the following equations . 3x+y=5 and 2x+3y=1​

Answer 1

Answer:

x=2, y= -1

Step-by-step explanation:

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Answer 2

Answer:

x = 2 , y = -1

Step-by-step explanation:

given,

2x + 3y = 1 -----(1)

3x + y = 5 -----(2)

________________

multiplying equation -- (2) with 3 [because any one variable should eliminate]

2x + 3y = 1

3x + y = 5 x (3)

then,

9x + 3y = 15 -------(3)

2x + 3y = 1 -------(1) [do subtraction (-)]

7x = 14

x = 14/7

x = 2.

taking x = 2, in equation (2)

3x + y = 5

3(2) + y = 5

6 + y = 5

y = -1

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