1000-х=35+6*8
х= 6*8=48 48+35= 83
х= 1000-83= 917
х= 917
81:y=63:7
y=63:7=9
y=81:9=9
y=9
x*8=100-(4*9)
x=4*9=36 100-36= 64
x=64:8=8
x=8
1000-х=35+6*8
х= 6*8=48 48+35= 83
х= 1000-83= 917
х= 917
81:y=63:7
y=63:7=9
y=81:9=9
y=9
x*8=100-(4*9)
x=4*9=36 100-36= 64
x=64:8=8
x=8
1000 - х = 35 + 48
1000 - х = 83
- х = 83 - 1000
- х = - 917
х = 917
81 ÷ y = 63 ÷ 7
81 ÷ y = 9
y = 81 ÷ 9
y = 9
x * 8 = 100 - (4 * 9)
8x = 100 - 36
8x = 64
x = 8