Answer :

melnikovnikita20

Answer:

2s-4r+3

Step-by-step explanation:

1st I combined like terms for 4r-8r

2nd I used the associative property of equality with -4r-3+6s+(-4s+6) into

-4r-3+6+(-4s+6s)

3rd I combined like terms for -4s+6s

4th I combined like terms for -3+6

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