Math Help!

Look at the given triangles.
Large triangle left side says 4x+2 top says 7x+7 bottom days 5x-4. Small triangle left side says x+3 top says 2x-5 and bottom says

a. Write an expression in simplest form for the perimeter of each triangle.

b. Write another expression in simplest form that shows the difference between the perimeter of the larger triangle and the perimeter of the smaller triangle.

c. Find the perimeter for each triangle when x = 3.

Please Help, I've been working on this all day and dont want to fail!

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  1. Just do it.
    first triangle
    4x+2 + 7x+7 + 5x-4 = 16 x +5
    second triangle
    x+3 + 2x-5 + x+7 = you add

    so subtract 16x+5 - ...x - ....

    first triangle
    16 (3) +5 = you do it
    now do triangle#2

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  2. @Damon, I just wanted to make sure my answers were correct before submitting it. If I could "Just do it" with out worrying it was wrong I would, I'm trying not to fail. Thanks anyway.

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  3. @Castiel - if you had answers, then it would have been polite to show them and have someone confirm them.

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  4. I don't believe Castiel. She did not have the answers.

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    Ms. Sue
  5. 4x+2 + 7x+7 + 5x-4 = 16 x +5
    +5 +5

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  6. x+3 + 2x-5 + x+7 = 35
    3x-16 +10 =35

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  7. is sifa maombi right for the small triangle

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  8. I did not get b.
    so, should I subtract 16x + 5 (blue triangle perimeter) minus 4x + 5 (pink triangle perimeter)?

    16x + 5 - 4x + 5 ???

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