2x + 1 = 8
2x = 7
x = 7/2 = 3.5
whew !
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no x would be 0.5 because two times 0.5 is 1 ( 2x ) and then add 7 equals 8 ( plus seven equals 8 )
The answer to 1 over 2x plus 13 equals 9 is x equals -8.
5 - 2x = 8 x = -1 and 1/2 4x = 6 x = 6/4 or 3/2
Y = 1/2x + 2
2x + 1 = 9 2x = 9 - 1 2x = 8 2x/2 = 8/2 x=4