973-x=159
23+x=78=456
x-56=78
x+56=56
98 x 456 x 123 x 753 x 246 x 2222 x 11 x 11 x 11 x 25 x 36 x 25 x 12 x 13 x 159 x 487 x 258 x 12589 x 1524 x ( 36987 - 36987 ) = ?
x + 25 = 53
x - 56 = 28
56 - x = 17
22 - x = 16
x + 87 = 97
x - 28 = 18
28 +x = 56
85 - x = 56
x+34=56-6
y+56=78+4
x+32=345
y+67-6=89-0
123+123=
456+456=
789+789=
963+963=
852+852=
741+741=
753+753=
159+159=
Tìm x:
56−x=28
x−17=73
753-159