Question 834499
>= means greater or equal to <= means less than or equal to
4u-6 >= 6u-20
+6 >= +6
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4u>=6u-14
-6u >=-6u
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-2u>=-14
switch sign (flip sign because multiplied negative number to the other side)
-2u<=-14
---<=---
-2 <= -2
u=7
answer: u=7