Subtract <math><mstyle displaystyle="true"><mn>9</mn></mstyle></math> from both sides of the inequality.

Subtract <math><mstyle displaystyle="true"><mn>9</mn></mstyle></math> from <math><mstyle displaystyle="true"><mo>-</mo><mn>21</mn></mstyle></math> .

Divide each term in <math><mstyle displaystyle="true"><mo>-</mo><mn>3</mn><mi>t</mi><mo>≥</mo><mo>-</mo><mn>30</mn></mstyle></math> by <math><mstyle displaystyle="true"><mo>-</mo><mn>3</mn></mstyle></math> . When multiplying or dividing both sides of an inequality by a negative value, flip the direction of the inequality sign.

Simplify the left side.

Cancel the common factor of <math><mstyle displaystyle="true"><mo>-</mo><mn>3</mn></mstyle></math> .

Cancel the common factor.

Divide <math><mstyle displaystyle="true"><mi>t</mi></mstyle></math> by <math><mstyle displaystyle="true"><mn>1</mn></mstyle></math> .

Simplify the right side.

Divide <math><mstyle displaystyle="true"><mo>-</mo><mn>30</mn></mstyle></math> by <math><mstyle displaystyle="true"><mo>-</mo><mn>3</mn></mstyle></math> .

The result can be shown in multiple forms.

Inequality Form:

Interval Notation:

Do you know how to Solve for t -3t+9>=-21? If not, you can write to our math experts in our application. The best solution for your task you can find above on this page.

Name | two hundred ninety-four million six hundred forty-six thousand twenty |
---|

- 294646020 has 32 divisors, whose sum is
**1060725888** - The reverse of 294646020 is
**020646492** - Previous prime number is
**3**

- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 33
- Digital Root 6

Name | nine hundred thirty-five million ninety-one thousand four hundred ninety-six |
---|

- 935091496 has 64 divisors, whose sum is
**3296210112** - The reverse of 935091496 is
**694190539** - Previous prime number is
**1657**

- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 46
- Digital Root 1

Name | three hundred forty-five million eighty-six thousand eight hundred twenty-seven |
---|

- 345086827 has 8 divisors, whose sum is
**355685472** - The reverse of 345086827 is
**728680543** - Previous prime number is
**281**

- Is Prime? no
- Number parity odd
- Number length 9
- Sum of Digits 43
- Digital Root 7