Question

for the simultaneous equations 3x-8y=5 and x +2y=1 the value of x and y ?​

Answer 1

Answer:

(x,y) = (-1,1)

Step-by-step explanation:

3x-8y=5 -------(1)

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

multiply eqn (2) by 3

3x+6y=3-------(3)

substract (1)&(3)

3x-8y=5

- 3y+6y=3

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

2y=2

y= 2/2 = 1

put y=1 in (1)

3x-8(1)=5

3x-8=5

3x=5-8= -3

x=-3/3 = -1

Thats why...... X= -1 and y=1

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Answer 2

Answer:

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