If PR is equal to 4 x minus 2 and RS is equal to 3 x minus 5 , which expression represents PS ? Expand Image

Since R is between P and S, the whole segment PS is the sum of PR and RS. Add the expressions: (4x − 2) + (3x − 5) = 7x − 7. So the expression for PS is 7x − 7, choice A.

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