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2 years ago

Y=-2X, Y=5X+3 how do I solve this equation using substitution or elimination

Mathematics

1 answer:

Basile [38]2 years ago

3 0

Answer:

y= -2x........eqn i

y=5x+3......eqn ii

substituting the value of Y from eqn i in eqn ii, we get,

-2x=5x+3

-7x=3

x= -3/7

so, y= -2x= -2× (-3/7)

so, y= 6/7

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Step-by-step explanation:

A students' choir contains 25 children

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Let 'E' be the event of the child play the piano so n(E) =5

The probability of that the child play the piano

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Conclusion:-

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