Question 172195
{{{9-(2k-3)=k}}}

Distribute: {{{9-2k+3=k}}}
Combine similar terms: {{{9+3=2k+k}}}
Add/Subtract: {{{12=3k}}}
divide both terms by 3 to isolate k:
{{{cross(12)4/cross(3)=cross(3)k/cross(3)}}}
{{{highlight(k=4)}}}, Answer
Check by going back:
{{{9-(2*4-3)=4}}}
{{{9-(8-3)=4}}}
{{{9-5=4}}}
{{{4=4}}}, good
Thank you,
Jojo