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zvonat [6]
3 years ago
15

-11k-9(9+k)=-11(1+5k) solve the equation

Mathematics
2 answers:
Lubov Fominskaja [6]3 years ago
8 0
Multiply by the number outside the parenthesis.

-11k - 9(9+k) = -11(1+5k)
-11k - 81 - 9k = -11 - 55k

combine like terms

-11k - 9k + 55k = 81 - 11
35k = 70
k = 70/35
k = 2
NeTakaya3 years ago
7 0
The answer to your equation is k=2
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