document.write( "Question 669293: Help explain answer to question B cannot understand where the 25 = (x + 8) + 3x + 5) came from to solve this question\r
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document.write( "Given that S is a point on RT, use the given lengths to calculate the following:
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document.write( "a. If RT = 21 and ST = 8, calculate RS.
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document.write( "b. If RS = 17 and ST = 34, calculate RT.
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document.write( "c. If RT = 25, RS = x + 8, and ST = 3x + 5, calculate ST.
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document.write( "d. If S is the midpoint of RT, RS = 5x − 4 and ST = 3x + 6, calculate RT. \r
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document.write( "Solution
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document.write( " A.Since RT = RS + ST, we have 21 = RS + 8, so RS = 21 − 8 = 13.\r
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document.write( "B
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document.write( "Since RT = RS + ST, we have RT = 17 + 34 = 51.
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document.write( "Since RT = RS + ST, we have
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document.write( "25 = (x + 8) + 3x + 5)
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document.write( "25 = 4x + 13
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document.write( "12 = 4x
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document.write( "x = 3
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Algebra.Com's Answer #416269 by MathLover1(20850)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "given also that \n" ); document.write( "\n" ); document.write( "now substitute given values for |