Math, asked by rutujavairagar283, 9 days ago

solve : 14=3y+x ; 20=2y-3x plz give me full answer​

Answers

Answered by abhis60
0

A)Answer:

3.5

=>Step-by-step explanation:

14=3y+x

14=4xy

xy=14/4

xy=3.5

B)Answer:

4

=>Step-by-step explanation:

20=2y-3x

20=5xy

xy=20/5

xy=4

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Answered by abhirana13122000
0

Answer:

y=

 \frac{62}{11}

x=

 \frac{ - 32}{11}

Step-by-step explanation:

we can arrange them,

x+3y-14=0 (1)

3x-2y+20=0 (2)

multiply (1) by 4 and subtract (2) from it,

3x+9y-42=0

3x-2y+20=0

- - -

----------------

11y - 62 = 0

----------------

11y = 62

y=62 /11

Putting value of y in (1)

x+3(62/11) -14 =0

x+186/11 -14 =0

x+ 186-154/11 = 0

x=

 \frac{ - 32}{11}

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