Clear the fraction by multiplying both sides by 3.
Clear the parentheses.
2x + 8 = 24
Move the 8 to the other side.
2x = 24-8
2x = 16
Divide both sides by 2
2x/2 = 16/2
x = 8
round the results to the nearest tenth and then to the nearest hundredth:
-57.124/10.104 = -5.6535
I don't know what you've been taught on rounding (positive OR negative numbers) so I'll let this go.
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