4 e - 9 = 19
+ 9 = + 9 Inverse of -9
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4 e +0 = 38 -9+9 cancels
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4 4 Divide 4 to both sides
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e = 9.5 OR 9 R2
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You cannot solve it since it is not a true equation.
54
-21
5x-19 = 16 5x = 16+19 5x = 35 x = 7
19-2t = 7 -2t = 7-19 -2t = -12 t = 6