3 years ago

Solve the equation 12+x=-3(4-x)

Mathematics

1 answer:

allochka39001 [22]3 years ago

7 0

Answer: 12+x=-3(4-x) = x = 12

Step-by-step explanation:

Not sure if you want the explaintion but ill give you an answer its : x = 12

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pantera1 [17]

<h3>Answer: Choice D) </h3>

Work Shown:

$(f+g)(x) = f(x)+g(x)\\\\(f+g)(x) = \frac{x-23}{x^2+9x-36}+\frac{1}{x+12}\\\\(f+g)(x) = \frac{x-23}{(x+12)(x-3)}+\frac{1(x-3)}{(x+12)(x-3)}\\\\(f+g)(x) = \frac{x-23+1(x-3)}{(x+12)(x-3)}\\\\(f+g)(x) = \frac{x-23+x-3}{x^2+9x-36}\\\\(f+g)(x) = \frac{2x-26}{x^2+9x-36}\\\\$