7(n-7)-7(2+3n)=9-8n

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Solution for 7(n-7)-7(2+3n)=9-8n equation:


Simplifying
7(n + -7) + -7(2 + 3n) = 9 + -8n

Reorder the terms:
7(-7 + n) + -7(2 + 3n) = 9 + -8n
(-7 * 7 + n * 7) + -7(2 + 3n) = 9 + -8n
(-49 + 7n) + -7(2 + 3n) = 9 + -8n
-49 + 7n + (2 * -7 + 3n * -7) = 9 + -8n
-49 + 7n + (-14 + -21n) = 9 + -8n

Reorder the terms:
-49 + -14 + 7n + -21n = 9 + -8n

Combine like terms: -49 + -14 = -63
-63 + 7n + -21n = 9 + -8n

Combine like terms: 7n + -21n = -14n
-63 + -14n = 9 + -8n

Solving
-63 + -14n = 9 + -8n

Solving for variable 'n'.

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

Add '8n' to each side of the equation.
-63 + -14n + 8n = 9 + -8n + 8n

Combine like terms: -14n + 8n = -6n
-63 + -6n = 9 + -8n + 8n

Combine like terms: -8n + 8n = 0
-63 + -6n = 9 + 0
-63 + -6n = 9

Add '63' to each side of the equation.
-63 + 63 + -6n = 9 + 63

Combine like terms: -63 + 63 = 0
0 + -6n = 9 + 63
-6n = 9 + 63

Combine like terms: 9 + 63 = 72
-6n = 72

Divide each side by '-6'.
n = -12

Simplifying
n = -12

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