Question

2x-y=5 ; 3x-y=5 solve the following simultaneous equation using substitution method.

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

x=3 and y= -5

Step-by-step explanation:

2x + y = 5

3x - y = 10

By solving this equation by eliminating method +y and -y would get canceled, leaving -

2x + 3x = 5 + 10

5x = 15

x = 3

By putting value of x in equation 1,

2x + y = 5

2 × 5 + y = 5

y = -10 + 5

y = -5

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