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Cory Davis
Lv 5
Cory Davis asked in Science & MathematicsMathematics · 8 years ago

Algebra/Geometry help please?

Point S is between R and T on RT. Use the give information to write on equation in terms on x. Solve the equation. Then find RS and ST.

Problem 1:

RS=2x+10

ST=x-4

RT=21

Please provide a detailed explanation of how you solved the problem. I just need help understanding it. I will try to do the next problem by myself. However, it would help if you did the next problem so that I may check my work afterwards. Thank you.

Problem 2:

RS=3x-16

ST=4x-8

RT=60

1 Answer

Relevance
  • shibashis
    Lv 5
    8 years ago

    Assuming RT is a straight line RT = RS + ST

    or, 21 = (2x+10) + (x-4) = 3x + 6

    or, 3x = 15

    or, x = 5

    RS = 2x+10 = 2*5 + 10 = 20

    ST = x-4 = 5-4 = 1

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