7o-18=4o

Subtract 4o from both sides of the equation.

7o-18-4o=0

Subtract 4o from 7o.

3o-18=0

3o-18=0

Add 18 to both sides of the equation.

3o=18

Divide each term in 3o=18 by 3.

3o3=183

Cancel the common factor of 3.

Cancel the common factor.

3o3=183

Divide o by 1.

o=183

o=183

Divide 18 by 3.

o=6

o=6

Solve for o 7o-18=4o