diannne
diannne diannne
  • 11-07-2020
  • Mathematics
contestada

Please help! *grade 9 algebra work* :)

Please help grade 9 algebra work class=

Respuesta :

Аноним Аноним
  • 11-07-2020

Answer:

9x-3 or 3(3x-1)

Step-by-step explanation:

A triangle has three sides. To find the perimeter, add those side lengths together.

3x-3+(4x-1)+(2x+1)

Add your common terms (xs and constants) together.

3x+4x+2x=9x

-1+-3+1=-3

9x-3

If you want to, you can factor the expression.

3(3x-1)

Answer Link
09pqr4sT
09pqr4sT 09pqr4sT
  • 11-07-2020

Answer:

9x - 3

Step-by-step explanation:

The perimeter is all the sides added together.

4x - 1 + 2x + 1 + 3x - 3

Rearrange.

4x + 2x + 3x - 1 + 1 - 3

Combine like terms.

9x - 3

Answer Link

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