Question 414356


{{{z=11-y}}}...solve for {{{y}}}

{{{z=11-y}}}....add {{{y}}} to both sides

{{{z+y=11-y+y}}}

{{{z+y=11-cross(y)+cross(y)}}}

{{{z+y=11}}}...add {{{-z}}} to both sides

{{{z-z+y=11-z}}}

{{{cross(z)-cross(z)+y=11-z}}}

{{{highlight(y=11-z)}}}