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mars1129 [50]
3 years ago
7

Is -9 a solution to 19>8u+3

Mathematics
2 answers:
iVinArrow [24]3 years ago
4 0
8u+3<19  subtract 3 from both sides

8u<16  divide both sides by 8

u<2 so

-9 is in the solution set u=(-oo, 2)
Irina18 [472]3 years ago
3 0
1 Subtract 3 from both sides

<span><span>19−3>8u</span>
2 Simplify 19-3 to <span>16

</span>16>8<span>u
</span>
3 Divide both sides by <span>8

16/8 > u

</span>4 Simplify 16/8 to 2

2 > u

5 Switch sides

u < 2

I hope this helps. :)


</span>
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