4x - 7 = 1
Therefore, 4x = 8
x = 8/4
x = 2
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4/28 = (4x1)/(4x7) = 1/7
There's only one number that equals 28. The number is . . . . . wait for it . . . . . 28.
4 because:- a = missing factor 4 x 7 x a = 28 x 4 28 x a = 112 a = 112/28 a = 4
4x+3=9x-4+4 +44x+7=9x-4x -4x7=5x-------57/5=1.41.4=x
yes 4x7=28