Question

[4/5]x = x-15
find x







⇒,°⇆

Answer 1

Answer:

Multiply each side of the equation by

15

to find

x

.

15

×

4

5

=

15

×

x

15

60

5

=

15

×

x

15

12

=

x

Substituting

12

for

x

gives:

4

5

=

12

15

Answer 2

4/5x=x-5

x+x=5*4-5

2x=20-5

2x=15

x=15/2

x=7.5