What is the answer to (83)7=8n ?

The answer to (83)7=8n is n= 581/8

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(83)7=8n

(83) 7 = 8 n

n = \frac{581}{8}

Decimal Notation

n = 72.625

Solution steps

(83) \cdot 7 = 8 n

Switch sides

8 n = (83) \cdot 7

Remove parentheses:

(a) = a

8 n = 83 \cdot 7

Multiply the numbers:

83 \cdot 7 = 581

8 n = 581

Divide both sides by

8

n = \frac{581}{8}

- 4 x + 8 = - 2 (2 x + 4)

\frac{7}{8} = \frac{x}{28.8}

8 x - 23 x = 240

- 4 x - 2 (2 x + 10) = - 116

6 x - 3 = 33, x