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Given f(x) = -10x + 45, find x when f(x) = 15.
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Given f(x) = -10x + 45, find x when f(x) = 15.

User Arpan Solanki
by
5.6k points

1 Answer

1 vote

Answer:

3 =x

Explanation:

f(x) = -10x + 45

f(x) = 15

15 = -10x +45

Subtract 45 from each side

15-45 = -10x+45-45

-30 = -10x

Divide each side by -10

-30/-10 = -10x/-10

3 =x

User Latrell
by
6.2k points
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