Respuesta :

jhoward1246
I'm pretty sure 5x -5 is 0 and 4x0 is 0
BrandonWhetstone
add 20 to both sides of the equal sign. this will turn it into 20x=20. then you divide both sides of the equal sign by the number with the exponent (x, y etc) so it would be 20/20 x=1