Which steps are needed to solve this equation? b+ 6-21
Subtract 6 from both sides of the equation.
The answer is b= 15.
Check the solution by substituting 15 for b.
O Subtract 6 from the left side and add 6 to the right side of the equation.
The answer is b=27.
Check the solution by substituting 27 for b.
O Add 6 to both sides of the equation.
The answer is b=27.
Check the solution by substituting 27 for b.
O Add 6 to the left side and subtract 6 from the right side of the equation.
The answer is b= 15.
Check the solution by substituting 15 for b.