+0

0=20-0,05Q

0
345
1

0=20-0,05Q

Q=?

Jun 11, 2017

 $$0=20-0.05q$$ Subtract 20 on both sides of the equation $$-20=-0.05q$$ Convert 0.05 into a fraction to ease calculation $$-20=-\frac{1}{20}q$$ Multiply by -20 on both sides to get rid of that pesky fraction $$400=q$$ You're done!