How do you graph this inequality on a number line?
ula1" title="r \leqslant - 9" alt="r \leqslant - 9" align="absmiddle" class="latex-formula">
1 answer:
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Answer:
Step-by-step explanation:
For this case, the first thing we must do is define a variable.
We have then:
x: unknown number
We now write the equation that models the problem:
From here, we clear the value of x.
We multiply both sides of the equation by 2:
We subtract 30 on both sides of the equation:
Answer:
The value of the unknown number is given by: