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4(c-2),2(3+d-1),3(w+1)-1

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1 Answer

Hi Karen, 
 
Distributive property is meant by expanding and in algebra it means you should get rid of parenthesis before solving an expression.
 
 
4 (c-2) 
 
4 (c) - 4(2)
 
4c - 8 (Answer)
 
 
2 (3+d-1)
 
2(3) + 2(d) - 2(1)
 
6 + 2d - 2                     subtract the like terms (6-2)
 
4 + 2d (Answer) 
 
 
3 (w+1) - 1
 
3(w) + 3(1) - 1
 
3w + 3 - 1                   subtract the like terms (3-1)
 
3w + 2  (Answer)
 
 
 
hope it helps!