7(3n+4)=7(8n+9)+4

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Solution for 7(3n+4)=7(8n+9)+4 equation:


Simplifying
7(3n + 4) = 7(8n + 9) + 4

Reorder the terms:
7(4 + 3n) = 7(8n + 9) + 4
(4 * 7 + 3n * 7) = 7(8n + 9) + 4
(28 + 21n) = 7(8n + 9) + 4

Reorder the terms:
28 + 21n = 7(9 + 8n) + 4
28 + 21n = (9 * 7 + 8n * 7) + 4
28 + 21n = (63 + 56n) + 4

Reorder the terms:
28 + 21n = 63 + 4 + 56n

Combine like terms: 63 + 4 = 67
28 + 21n = 67 + 56n

Solving
28 + 21n = 67 + 56n

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '-56n' to each side of the equation.
28 + 21n + -56n = 67 + 56n + -56n

Combine like terms: 21n + -56n = -35n
28 + -35n = 67 + 56n + -56n

Combine like terms: 56n + -56n = 0
28 + -35n = 67 + 0
28 + -35n = 67

Add '-28' to each side of the equation.
28 + -28 + -35n = 67 + -28

Combine like terms: 28 + -28 = 0
0 + -35n = 67 + -28
-35n = 67 + -28

Combine like terms: 67 + -28 = 39
-35n = 39

Divide each side by '-35'.
n = -1.114285714

Simplifying
n = -1.114285714

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