Solve for u.
86 ≥ 7 – u
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To solve for ( u ) in the inequality ( 86 geq 7 – u ), follow these steps:
1. Isolate ( u ): Start by moving ( u ) to one side of the inequality. You can do this by adding ( u ) to both sides and subtracting 86 from both sides.
[
86 – 7 geq -u
]
Simplifying this gives:
[
79 geq -u
]
2. Multiply by -1: When you multiply or divide an inequality by a negative number, you must reverse the inequality sign.
[
-79 leq u
]
This can also be written as:
[
u geq -79
]
So, the solution is ( u geq -79 ). This means ( u ) can be any number greater than or equal to -79.
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