2 years ago

9 = 4(3k - 4) - 7k solve the equation

Mathematics

2 answers:

n200080 [17]2 years ago

7 0

9=12k-16-7k
25=9K
k=5
1) Break the brackets.
2) Combine like terms.
3)isolate variable.
4)solve for the variable

klasskru [66]2 years ago

6 0

$9=4(3k-4)-7k\\
9=12k-16-7k\\
9+16=12k-7k\\
25=5k\\
k=5$

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