What is the answer to 5n+10(2n)+25(76-3n)=850 ?

The answer to 5n+10(2n)+25(76-3n)=850 is n=21

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5n+10(2n)+25(76-3n)=850

5 n + 10 (2 n) + 25 (76 - 3 n) = 850

n = 21

Solution steps

5 n + 10 (2 n) + 25 (76 - 3 n) = 850

Remove parentheses:

(a) = a

5 n + 10 \cdot 2 n + 25 (76 - 3 n) = 850

Multiply the numbers:

10 \cdot 2 = 20

5 n + 20 n + 25 (- 3 n + 76) = 850

Add similar elements:

5 n + 20 n = 25 n

25 n + 25 (76 - 3 n) = 850

Expand

25 n + 25 (76 - 3 n) : - 50 n + 1900

- 50 n + 1900 = 850

Move

1900

to the right side

- 50 n = - 1050

Divide both sides by

- 50

n = 21

(2 x - 3) (4 x + 5) \leq (8 x + 1) (x - 7)

r - 14 = 23

10 - 2 x = 7 - 3 x

\frac{1}{2 x - 1} \leq x

- \frac{1}{5} + \frac{1}{2}

What is the answer to 5n+10(2n)+25(76-3n)=850 ?
The answer to 5n+10(2n)+25(76-3n)=850 is n=21
Solve for n: 5n+10(2n)+25(76-3n)=850
The solution is n=21