109-w=231
Subtract 109 from both sides of the equation.
-w=231-109
Subtract 109 from 231.
-w=122
-w=122
Multiply each term in -w=122 by -1.
(-w)⋅-1=122⋅-1
Multiply (-w)⋅-1.
Multiply -1 by -1.
1w=122⋅-1
Multiply w by 1.
w=122⋅-1
w=122⋅-1
Multiply 122 by -1.
w=-122
w=-122
Solve for w 109-w=231