0.4^X=5
x=?
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Algebraically, you're asking to solve for x: 5x - 60 = x4x - 60 = 04x = 60x = 15Let's test just to be sure:15*5 = 7575 - 60 = 15It works, so 15 is the magic number.
x=6=x=5+x=13+x=20 x cannot = x+5. This question has no answer.
x=2*5 x=10
x + 6
5 x 4 equals 4 x 5 is commutative property.