Question 487143

{{{12=3/(x+4)}}}


{{{12(x+4)=3}}}


{{{12x+48=3}}}


{{{12x=3-48}}}


{{{12x=-45}}}


{{{x=-45/12}}}


{{{x=-3.75}}}


check:


{{{12=3/(x+4)}}}


{{{12=3/(-3.75+4)}}}


{{{12=3/(0.25)}}}


{{{12=12}}}