7th grade math

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Write and simplify an expression for the perimeter of the triangle. side A)3x, side B) 5x-4 and side C)2x+5.

Thank you!

  • 7th grade math -

    First, start out by simply adding the sides together into a single equation:

    3x+5x-4+2x+5

    Next, combine like items:
    3x+5x+2x = +10x
    -4+5 = +1

    That would leave you with:
    10x+1

    That is as simplified as it gets, so that means you have your answer now.

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