Question

Find x and y
Show all the work

Answer 1

both sides are the same so they are equal so...
4x+13=5x-15
x=28

Answer 2

1. Subtract
4
x
4x from both sides.
13
=
5
x
−
15
−
4
x
13=5x−15−4x

2. Simplify
5
x
−
15
−
4
x
5x−15−4x to
x
−
15
x−15.
13
=
x
−
15
13=x−15

3. Add
15
15 to both sides.
13
+
15
=
x
13+15=x

4. Simplify
13
+
15
13+15 to
28
28.
28
=
x
28=x

5.Switch sides.
x
=
28
x=28