(30*x-560):8=80 my help

Question

(30*x-560):8=80 my help

Answer 1

30X - 560 = 80 * 8
30X - 560 = 640
30X = 1200
X = 40

Answer 2

30х-560=80*8
30х-560=640
30х=640+560
30х=1 200
х=1 200:30
х=40