Question

(x+10)(y-2)=xy and (x-15)(y+6)=xy solve by simultaneous equation

Answer 1

Step-by-step explanation:

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Answer 2

The value of x and y are -13.33 and -0.67 resp.

Step-by-step explanation:

Since we have given that

$(x+10)(y-2)=xy\\\\(x-15)(y+6)=xy$

So, from first equation, we get that

$(x+10)(y-2)=xy\\\\xy-2x+10y-20=xy\\\\-2x+10y=20\\\\x-5y=-10$

Similarly, for second equation, we get that

$(x-15)(y+6)=xy\\\\xy+6x-15y-90=xy\\\\-6x-15y=90\\\\2x+5y=-30$

So, using graphing method, we get that

x = -13.33

y = -0.67

So, the value of x and y are -13.33 and -0.67 resp.

# learn more:

2) Solve the following simultaneous equations.

(x+10)(y-2)= xy; (x-15) (y+6)=xy.

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