8,87÷(2,2+2/3m)=17,4÷8,4

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Let's solve the equation step by step:

8,87 ÷ (2,2 + 2/3m) = 17,4 ÷ 8,4

First simplify the expression inside the parentheses:

2,2 + 2/3m = 2,2 + 0.6667m = 2,2 + 0.6667m

Next, divide 8,87 by the simplified expression:

8,87 ÷ (2,2 + 0.6667m) = 4.0312 + 1.2792m

Now simplify the right side of the equation:

17,4 ÷ 8,4 = 2.0714

Now our equation becomes:

4.0312 + 1.2792m = 2.0714

Now isolate m by first subtracting 4.0312 from both sides:

1.2792m = -1.9598

Lastly, divide by 1.2792 to solve for m:

m = -1.53

Therefore, the solution to the equation is m = -1.53.