x + 9x + 7x + 5x = 2244
x ( 1 + 9 + 7 + 5 ) = 2244
x . 22 = 2244
x = 2244 : 22
x = 102
x + 9.x + 7.x + 5.x = 2244
x . ( 1 + 9 + 7 + 5 ) = 2244
x . 22 = 2244
x = 2244 : 22
x = 102
Tìm x
x + 9.x + 7.x + 5.x = 2244
x . ( 1 + 9 + 7 + 5) = 2244
x . 22 = 2244
x = 2244 : 22
x = 102
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Thân!