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4 votes
Find −3(2.5−k)+0.5(7+8k)

User Twitchax
by
8.7k points

2 Answers

1 vote
The solution to the problem is: x = (-2, -3)
User Pejvan
by
7.5k points
2 votes
First, distribute the parentheses:
(-3 * 2.5) + (-3 * -k) + (.5 * 7) + (.5 * 8k)
-7.5 + 3k + 3.5 + 4k

Combine like terms:
(-7.5 + 3.5) + (3k + 4k)
-4 + 7k

I don't see an equal sign so it's not an equation, just an algebraic expression, which means that the answer is -4 + 7k
User Johannes Schacht
by
8.8k points

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