1) (450-300)х = 450
150х = 450
х = 3
2) х-(315-245) = 526
х-70 = 526
х = 526+70 = 596
3) (859-259)/х = 200
600/х = 200
х = 600/200 = 3
1) (450-300)х = 450
150х = 450
х = 3
2) х-(315-245) = 526
х-70 = 526
х = 526+70 = 596
3) (859-259)/х = 200
600/х = 200
х = 600/200 = 3