Question

Solve the following pair of equations by substitution method :

2x+3y=-8 and x-y=1​

Answer 1

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Answer 2

Answer:

x,y (1,0)

Step-by-step explanation:

2x+3y=8

eq (1)

x-y=1

eq(2)

x-1=y

eq (3)

put the value of y in eq (1)

2x+3(x-1)=8

2x +3x -3 = 8

5x-3=8

5x=5

x=1

put the value in eq 2

x-y=1

1-y=1

y=1-1

y=0

(x,y)=(1,0)