SOLUTION: 1. 2(6k-1)=-38 2. 7w-3(4w+8)=11
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Question 63828
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1. 2(6k-1)=-38
2. 7w-3(4w+8)=11
Answer by
tutorcecilia(2152)
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1. 2(6k-1)=-38 [Distribute]
12k-2=-38 [solve for x]
12k=-38+2
12k=-36
k=-36/12
k=-3
checking:
12(-3)-2=-38
-36-2=-38
-38=-38 [checks out]
.
2. 7w-3(4w+8)=11 [distribute]
7w-12w-24=11 [combine like-terms]
-5x-24=11
-5x=11+24
-5x=35
-5x=35/-5
x=-7