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N76 [4]
3 years ago
7

Given that f(x) = 2x − 5, find the value of x that makes f(x) = 15.

Mathematics
1 answer:
Vladimir79 [104]3 years ago
8 0

Answer:

25

Step-by-step explanation:

so you replace all the x's with 15 and it becomes

2×15-5

2×15=30

30-5=25

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Step-by-step explanation:

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First, multiply by 2 to get rid of the 2 in the denominator. Remember that if you make any changes you have to make sure the equation keeps balanced, so do it on both sides as following;

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To eliminate the square and isolate v, extract the square root.

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let's rewrite it in a way that v is in the left side.

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