x + 20 = 530 + 50
x+ 20 = 580
x = 580 - 20
x = 560
x + 20 = 530 + 50
x + 20 = 580
x = 580 - 20
x = 560
x + 20 = 530 + 50
x + 20 = 580
x = 580 - 20
x = 560
\(x+20=530+50\)
\(x+20=580\)
\(x=580-20\)
\(x=560\)
x + 20 = 530 + 50
x + 20 = 580
x = 580 - 20
x = 560.