Question Number 888 by Karting7442 last updated on 14/Apr/15
$$\frac{{x}+\mathrm{9}}{\mathrm{2}}=\mathrm{3} \\ $$$${what}\:{is}\:{x}? \\ $$
Answered by 123456 last updated on 14/Apr/15
$$\frac{{x}+\mathrm{9}}{\mathrm{2}}=\mathrm{3} \\ $$$$\frac{{x}+\mathrm{9}}{\mathrm{2}}×\mathrm{2}=\mathrm{3}×\mathrm{2} \\ $$$${x}+\mathrm{9}=\mathrm{6} \\ $$$${x}+\mathrm{9}−\mathrm{9}=\mathrm{6}−\mathrm{9} \\ $$$${x}=−\mathrm{3} \\ $$