2 years ago

Simplify to create an equivalent expression. −3(2+4k)+7(2k−1)

Mathematics

2 answers:

Genrish500 [490]2 years ago

7 0

Answer:

$\huge\boxed{2k-13}$

Step-by-step explanation:

$\sf -3(2+4k)+7(2k-1)\\Expanding \ brackets\\-6-12k+14k-7\\Combining \ like \ terms\\-12k+14k-6-7\\2k -13$

prisoha [69]2 years ago

6 0

2k-13
First step= -3(2+4K)+7(2k-1)
Second step= -6 - (12k) + 14k- 7
Third step= -12k+14k - 6 -7= 2k-13

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