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

User Nisanarz
by
8.1k points

2 Answers

4 votes
9=12k-16-7k
25=9K
k=5
1) Break the brackets.
2) Combine like terms.
3)isolate variable.
4)solve for the variable
User Chamod Rathnayake
by
8.0k points
5 votes

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