Question

Y=20+5×
Y=10×
Metodo de igualacion

Answer 1

Y=20+5×  

Y=10×  Despejamos x

5x= 20-Y       x= 20-Y/5            

10x= Y           x=Y/10      

20-Y/5 = Y/10

5y=10(20-y)   5y=200-10y        

5y-10y=200  

-5y=200  

y=200/-5

y=-40

x= 20-(-40)/5  

x= 28