Question

solve x2 + y2 = 169, x-y = 13​

Answer 1

Step-by-step explanation:

Subtract

x

2

from both sides of the equation.

y

2

=

169

−

x

2

Take the square root of both sides of the equation to eliminate the exponent on the left side.

y

=

±

√

169

−

x

2

Answer 2

Answer:

x=13,y=0

Step-by-step explanation:

13²=169 and 0²=0 169+0=169

13-0=13

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