Question

if 5 x + 13 is equal to 3 x minus 8 what is the value of x² +y² / x² -y²​

Answer 1

Answer:

Step-by-step explanation:

5x+13=3x-8

5x-3x=-8-13

2x=-21

x=-21/2

i have find out x value now you put the value in x^2+y^2 / x^2-y^2  and answer will be there.

Answer 2

Answer:

Step-by-step explanation:

5x +13=-13

5x=-13

x=-13÷5

x=-2.6

3x- 8

3x=8

x= 8÷3

x=2.6