Question

50+2x=20+5x what does the variable x represent in the equation below

Answer 1

x=10

Explanation:

`50+2x=20+5x\\\\\mathrm{Subtract\:}50\mathrm{\:from\:both\:sides}\\\\50+2x-50=20+5x-50\\\\Simplify\\\\2x=5x-30\\\\\mathrm{Subtract\:}5x\mathrm{\:from\:both\:sides}\\\\2x-5x=5x-30-5x\\\\Simplify\\\\-3x=-30\\\\\mathrm{Divide\:both\:sides\:by\:}-3\\\\(-3x)/(-3)=(-30)/(-3)\\\\Simplify\\\\x=10`