Respuesta :

Answer: x = 4

Step-by-step explanation:

I'm not sure about #19 sorry :,(

#20

2x+5=6x-11 (Setting them equal to each other because it's a square)

-2x     -2x

5 = 4x-11

+11     +11

16 = 4x

/4    /4

4 = x

Look at the picture for the work!! x=40
Ver imagen tphan82p2bs6a