3 years ago

please help, i will give BRAINLIEST. Write an expression in the simplest form to model the perimeter of the following triangle:

Mathematics

1 answer:

HACTEHA [7]3 years ago

5 0

Answer: Original expression: 2x - 11 + 4x + 7 + 3(x-4)

Simplified: 9x - 16

Step-by-step explanation:

2x - 11 + 4x + 7 + 3(x-4) becomes 2x - 11 + 4x + 7 + 3x -12

Group like terms, then combine to simplify:

2x + 4x + 3x -11 + 7 - 12

2x + 4x + 3x = 9x

-11 -12 + 7 = =23+7= -16

Simplified expression: 9x - 16

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