17. y = 4x + rx + 6

What do I do first

First You Add Your Like Terms Which Is 4x + rx.

Y

=

4

x

+

r

x

+

6

Step 1: Flip the equation.

r

x

+

4

x

+

6

=

y

Step 2: Add - 4x to both sides.

r

x

+

4

x

+

6

+

-

4

x

=

y

+

-

4

x

r

x

+

6

=

-

4

x

+

y

Step 3: Add - 6 to both sides.

r

x

+

6

+

-

6

=

-

4

x

+

y

+

-

6

r

x

=

-

4

x

+

y

-

6

Step 4: Divide both sides by x.

r

x

x

=

-

4

x

+

y

-

6

x

r

=

-

4

x

+

y

-

6

x

Answer:

r

=

-

4

x

+

y

-

6

x