Salvador Bush

Answered

2022-07-03

How do you solve and graph $12\le t-9$ ?

Answer & Explanation

pompatzz8

Expert

2022-07-04Added 11 answers

Step 1
First, add $9$ to each side of the inequality to solve for t while keeping the inequality balanced:
$12+9\le t-9+9$
$21\le t-0$
$21\le t$
We can reverse or "flip" the entire inequality to state the solution in terms of t
$t\ge 21$
To graph this we will draw a vertical line at 21 on the horizontal axis.
The line will be a solid line because the inequality operator contains an "or equal to" clause.

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