Question

80+ ( Х- 43) * 70= 570

Answer 1

80+70х-3010=570
70х=570-80+3010
70х=3500
х=50

Answer 2

(х-43)*70=570-80
(х-43)*70=490
х-43=490:70
х-43=7
х=7+43
х=50