2x = 8
Divide both sides by 2: x = 4
So, the solution set is {4}
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2x - 3 - 8 = 1. 2x - 11 = 1. 2x = 12.x = 6!
6
No because x = 2
5 - 2x = 8 x = -1 and 1/2 4x = 6 x = 6/4 or 3/2
2.52x = 8 Taking (natural) logs: 2x*ln(2.5) = ln(8) so 2x = ln(8)/ln(2.5) = 2.0794/0.9163 = 2.2694 approx. and therefore, x = 2.2694/2 = 1.1347 approx.