Answer
Step-by-step explanation:
-x=12-3x
2x=12
x=6
Answer:
[tex]24-x=36-3x\\\\\mathrm{Subtract\:}24\mathrm{\:from\:both\:sides}\\\\24-x-24=36-3x-24\\\\Simplify\\\\-x=-3x+12\\\\\mathrm{Add\:}3x\mathrm{\:to\:both\:sides}\\\\-x+3x=-3x+12+3x\\\\Simplify\\\\2x=12\\\\\mathrm{Divide\:both\:sides\:by\:}2\\\\\frac{2x}{2}=\frac{12}{2}\\\\\\Simplify\\x=6[/tex]
