Question

simplify the following. (r+13)-(r+15)-(r-17)-(r-19)

Answer 1

Sinplificatio of

(r + 13 ) - ( r + 15 ) - (r - 17) - ( r - 19)

= r + 13 - r - 15 - r + 17 - r + 19

= 34 - 2r

Answer 2

Answer:

Step-by-step explanation:

(r+13)-(r+15)-(r-17)-(r-19)

r+13-r-15-r+17-r+19

r-r-r-r+13-15+17+19

-2r+34

-2(r-17)

hope it helps

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