### Home > GB8I > Chapter cc46 > Lesson cc46.1.1 > Problem 6-7

6-7.

Solve each equation for the indicated variable. Homework Help ✎

3

*x*− 2*y*= 18 for*x*3

*x*− 2*y*= 18 for*y**C*= 2*πr*for*r*

Add 2*y* to both sides.

3*x* = 18 + 2*y*

Divide both sides by 3.

See part (a).

Divide both sides by 2*π*.