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2x+5y=0
3x-4y=23
solve the following simultaneous equation

User Pxm
by
7.6k points

1 Answer

8 votes

Answer:


x = 5,
y = -2

Explanation:


2x + 5y = 0


3x - 4y = 23

By using substitution:


2x + 5y = 0


2x = -5y


x = -(5)/(2)y


3x - 4y = 23


3 (-(5)/(2) y) - 4y = 23


-(23)/(2) y = 23


y = -2


x = -(5)/(2) y


x = -(5)/(2) (-2)


x = 5

User Andrew Rose
by
8.5k points

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